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This section provides an overview for prefilters as well as their applications and principles. Also, please take a look at the list of 53 prefilter manufacturers and their company rankings. Here are the top-ranked prefilter companies as of December, 2024: 1.Miller Electric Mfg. LLC, 2.FlowTech Corporation, 3.Clean Liquid Systems.
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Categories Related to Prefilters
A prefilter is a relatively coarse filter utilized upstream in air or liquid filtration processes.
While prefilters are also employed in liquid filtration, they are predominantly used in air filtration to eliminate atmospheric contaminants. Typically, to remove contaminants like dust and dirt, prefilters and high-performance filters are combined to prolong the filter's lifespan and enhance efficiency.
Due to this, prefilters are comparatively affordable and available in a broad range of materials.
Prefilters play a crucial role in atmospheric pollution removal and air purification, but they are not used in isolation. They are often paired with high-performance HEPA filters and others with smaller pore sizes than prefilters. This approach helps extend the life of more expensive filters that capture micron-sized particles and dust.
The minimum particle size that a standard prefilter can capture is approximately 5 microns. However, this value is a guideline and can vary based on the material and product specifications, so verifying product information is critical.
Prefilters, designed to capture contaminants such as dust and dirt, vary from washable to disposable types. The choice of materials like polyester, glass fiber, and stainless steel is also crucial depending on their use.
These reusable filters, made from synthetic non-woven fabrics, are ideal for external air treatment and medium-efficiency filtration, capable of withstanding several washes.
These require periodic replacement as their collection capacity diminishes over time. Primarily suited for single-use, they are frequently employed in outdoor air treatment.
These are designed to remove particles and dust larger than 10 µm. While the collection efficiency for the first two types is about 80%, it commonly exceeds 98% for paint booth applications.
Prefilters are crafted from a diverse array of materials, tailored to the specific needs of the application. For example, a fabric filter made from coarsely woven synthetic fibers is optimal for removing large debris like leaves. For applications requiring flame retardancy, products with polyester properties to manage pressure loss are available.
Paper-type prefilters are also used in engine intake air filters, and for engines adhering to emission standards, prefilters are integral to fuel lines. The common rail system in emission-compliant engines can be susceptible to malfunctions due to fuel debris, necessitating thorough dust removal through prefilters and main filters.
It's important to note that using non-genuine replacement prefilters may compromise functionality, leading to reduced efficiency and potential malfunctions.
Replacement practices vary; sometimes only the filter element is replaced, while other designs integrate the prefilter case and filter, necessitating their joint replacement. Manufacturer instructions should be carefully reviewed before replacement to determine the necessity and method. Additionally, the correct installation direction is crucial for proper function, as incorrect placement can hinder dust adsorption or disrupt normal gas intake, potentially causing malfunction.
*Including some distributors, etc.
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Miller Electric Mfg. LLC (MEM) is an American manufacturer of arc welding and cutting equipment originally founded in 1929 before its acquisition by Illinois Tool Works (ITW) in 1993. Headquartered in Appleton, Wisconsin, the company produces various welders such as tungsten inert gas (TIG) and engine-driven models, wire feeders, and plasma cutters. It also offers related consumables and accessories, such as connector kits, spot welding tongs, safety equipment, and flux-cored wires. MEM products are commonly used in metal fabrication, manufacturing, and construction, as well as in the aviation industry.
Alen Corporation, founded in 2006 and headquartered in Austin, Texas, United States, is a manufacturer and provider of air purifiers and air quality solutions. The company specializes in producing a range of air purifiers designed to improve indoor air quality in homes and workplaces. The company’s products find applications in residential spaces, offices, and healthcare environments, aiding in the reduction of allergens, pollutants, and odors. The company also provides a warranty on all its products to ensure customer satisfaction.
Labconco Corporation, founded in 1925 and located in Kansas City, Missouri, is a manufacturer of laboratory equipment. Its diverse product line includes freeze dryers, forensic enclosures, water purification systems, glassware washers, and glove boxes. The company’s products are used for moisture removal while preserving sample integrity, safe handling of hazardous materials, producing pure water for experiments, efficient cleaning, and providing controlled environments for sensitive material work. These products serve industries such as pharmaceuticals, biotechnology, research, quality control, and enhancing safety. The company is also ISO 9001-certified for its quality management system.
3M Company was founded in 1902 and is headquartered in St. Paul, Minnesota. 3M provides diversified technology services globally. 3M operates through four segments: Safety and Industrial, Transportation and Electronics, Health Care, and Consumer. The Safety and Industrial segment offerings include industrial abrasives, masking, and natural and color-coated mineral granules for shingles. The Transportation and Electronics segment offerings include ceramic solutions, light management films, and electronics assembly solutions. The Healthcare segment offerings include wound care, dentistry and orthodontia solutions, and filtration and purification systems. The Consumer segment offerings include consumer bandages, picture hanging, and stationery products.
Graver Technologies, founded in 1866, is a manufacturer of products used in industrial filtration, purification, and separation. The product line includes power generation filters, adsorbent products, ion exchange products, crossflow membrane products, and liquid process filters used in industrial, microelectronics, food & beverage, healthcare, and power generation industries. The company in Glasgow, DE, has certifications and compliances such as FDA Title 21, ISO 9001:2015, Halal, ASME code, and CRN registration. The company has 10CFR50App.B– Quality Assurance Criteria for Nuclear Power Plants and Fuel Reprocessing Plants.
Shop-Pro Equipment, Inc., founded in Omaha, NE is a manufacturer of mobile work stations. The company's product portfolio includes air filtration equipment and mobile filtration booths, Technical Workstations, Industrial Workstations, Medical Workstations and Sleek and functional workstations for office settings. The company serves markets including Medical and Healthcare, Aerospace and Defense, Consumer Goods, Industrial Manufacturing and Construction and Building. The company provides services such as Product Selection Guidance, Engineering Support, and Custom Manufacturing.
Air Clear, LLC, founded in Elkton, Maryland, in 1990 is a manufacturer of air pollution control and energy recovery systems. The company's product portfolio includes Thermal and Catalytic Oxidizers (both Recuperative & Regenerative), Coalescing FiberBed Filter Mist Collector Systems, Pre-Filters and Secondary Heat Recovery System, Coalescing FiberBed Filter Mist Collector Systems and Secondary Heat Recovery Systems. The company serves markets including Automotive and Electric Vehicles, Renewable Energy and Energy Storage and Electronics and IT Infrastructure.
Fumex Air Filtration Systems, headquartered in Kennesaw, Georgia, is a manufacturer of comprehensive air filtration solutions. They offer a wide range of products that includes fume extractors, dust collectors, replacement air filters, and air purifiers. These products are designed for industries such as electronics manufacturing, food and beverages, and pharmaceutical. Fumex Air Filtration Systems' offerings effectively capture and remove airborne contaminants, improving air quality and ensuring a safe and healthy work environment.
USA Scientific, Inc. founded in 1982, is headquartered in Ocala, FL is a manufacturer and distributor of laboratory plastics, equipment, and accessories. The portfolio of the company includes Popette Tips, Tubes, Storage & Supplies, Popette & Calibration, Cell Culture, and many more. The USA Scientific takes all facets of improving global health seriously. From a 100% wind-powered TipOne production facility in Connecticut to reducing paper usage, the company is taking multiple steps to improve our world.
Industrial Vacuum Equipment Corporation is headquartered in Ixonia, Wisconsin. Industrial Vacuum is a distributor, service, and repair provider for industrial vacuum systems used in a variety of industrial settings including painting, asbestos abatement, abrasive blast recovery, hazardous waste removal, and shipyards. Industrial Vacuum’s product categories range from vacuum systems to dust collectors and blowers. Additionally, Industrial Vacuum offers individual parts and accessories. Industrial Vacuum’s offers rental service for industrial vacuums and dust collectors and also offers used equipment service.
Joy Filters Inc., founded in 1997 and headquartered in the USA, is a distributor and supplier of air filters and paint booth filters. The company's extensive product line includes ASHRAE, HEPA, and panel filters for hospitals, as well as filters for residential HVAC systems. It also offers a range of intake and exhaust filters for commercial paint booths. The company also offers services including paint booth cleaning, paint booth filter installation, and paint booth repairs. Its products serve the automotive, medical, construction, HVAC, and manufacturing industries.
NCI Clean, now part of North Central Instruments, began in 1995 as Innotech Products as a distributor for laboratory and cleanroom equipment. NCI Clean offers modular cleanrooms and products intended for use in cleanrooms such as flooring, paint, filters, curtains, and instrumentation. Other cleanroom equipment include air showers, surge isolation pods, desiccators, cleanbenches, fume hoods, spray guns, glove boxes, anti-fatigue mats, and shoe cleaners. Other equipment includes gowning room furniture and components, cleanroom apparel, microscopes, and supplies such as alcohols, swabs, and wipes.
HealthWay, founded in the United States, is a supplier of air purification solutions. The company's product portfolio includes air purifiers designed to remove pollutants, allergens, and contaminants from indoor air, HVAC filtration products, air quality monitoring devices, and filters. It also offers specialized air filtration solutions to maintain air quality in manufacturing, healthcare, hospitality, and more. The company is committed to sustainability and environmentally friendly solutions and its products are designed to minimize energy consumption and waste.
Cleanroom Supply is based in Brooklyn Park, Minnesota. Cleanroom Supply is a distributor of products for cleanrooms as well as complete modular cleanroom solutions. Cleanroom Supply products include cleanroom air showers, cleanroom apparel, cleanroom cleaning supplies, cleanroom components, cleanroom pass throughs, furniture, cleanbenches, cleanroom instrumentation, modular cleanrooms, desiccators, fume hoods & glove boxes, gloves, gowning room components, mats, packaging products, safety products, spray guns, ESD static control, storage, swabs, ultrasonic cleaning, ultraviolet equipment, wafer handling, wet process stations, and wipes.
Broner Glove and Safety has served customers since 1933 and is based in Auburn Hills, Michigan. Broner is a safety service provider as well as distributor of safety equipment. Broner’s safety equipment offerings include first aid emergency response equipment, ergonomic assisting tools, eye protection, fall protection, hearing protection, instrumentation, plant and site safety equipment, welding-use protection, respiratory protection, protective apparel and more. Safety services include glove testing, plant surveys, safety glass programs, respiratory fit testing, and transaction analysis among others.
Clean Liquid Systems is headquartered in Houston, Texas, and is a national supplier of clean air, water, and filtration systems used in human and pet food processing, liquid bottling, and oil and gas industries. The company’s product categories include liquid filters, natural gas, pollution control units, and hydroponic filters. Liquid and natural gas filters are designed for contaminant removal to increase efficiency and reduce pollution. Hydroponic filters serve hydroponic farming on both individual and commercial scales.
FlowTech Corporation, founded in 1975, is a supplier of fluid filtration equipment, including filter housings, o-rings, flow & pressure switches, disposable and replacement filters, as well as flowtech products for use in pharmaceutical, chemical processing, food & beverage, electronics, and industrial applications. The company, which has manufacturing partners like Parker Advanced Filtration, Purolator Advanced Filtration, Floetech Corporation, and Chemflo Companies, is based on Stadium Dr. in Kalamazoo. The business provides fluid control devices, specialty engineering services, and filter vessels.
M&C TechGroup Germany GmbH, established in 1985 and headquartered in Ratingen, Germany, is a manufacturer of gas sampling, gas conditioning, and process control solutions. The company offers a wide range of products such as gas sample probes, heated lines, pumps, coolers, and more. It also provides filters, analyzers, temperature controllers, and gas conditioning systems. Its gas sample probe SP10 can withstand temperatures of up to 180 °C [356 °F]. The company serves several industries such as glass industry, chemical industry, environmental technology, power plants, and more.
Wenzhou Runxin Manufacturing Machine Co. Ltd., established in 2000 in Shanfu Town, Wenzhou, China, is a manufacturer and supplier of multi-functional flow valves for water treatment. The company makes valves such as automatic and manual softeners, functional controls, disk filters, and water treatment accessories such as side-mounted connectors, bypass valves, bottom strainers, and ceramic ball valves. Its products are used in residential, commercial, printing, liquid intelligent controlling, and sewage water treatment and are RoHS compliant, with US ANSI/CAN, Russian EAC, and US NSF certifications.
Henan Eco Environmental Protection Equipment Co., Ltd., founded in 2015, is an exporter and manufacturer of water and wastewater treatment devices and systems in Xinxiang City, Henan Province. The company’s products include RO prefilters, wastewater screens, mechanical filters, wastewater mixers, and aeration systems. It also produces air blowers, sludge dewatering machines, disinfection plants, polymer flocculants, and sludge conveyors used in sewage treatment plants. The company has ISO 9001 quality management system, ISO 14001 environmental management system, and OHSAS 18001 occupational health and safety management system certificates.
Nantong FilterBio Membrane Co., Ltd, based in Nantong, China, is a manufacturer of microfiltration products since 2012. It offers various products such as disc membrane and syringe filters, disposable vacuum filters, solvent filtration apparatus, TLC plates, and high-flow filter cartridges. The company's products consist of membranes made of nylon, MCE, CA, CN, PES, PVDF, as well as PTFE, PP, and glass fiber, with pore sizes ranging from 0.1μm to 10μm. With 100,000 clean workshops and ISO9001 certification, the industries that benefit from these products are bioscience, pharmacy, microelectronics, food & beverage, and more.
DENIOS US was founded in 1990 and is headquartered in Louisville, Kentucky. Denios is a manufactuer of storage and barriers solutions to safely store chemicals and heat sensitive materials. DENIOS’s product ranges include non-occupancy storage buildings, storage rooms and test rooms for lithium batteries, occupancy storage buildings, chemical storage lockers, and pop-up flood and spill barriers. Additionally, DENIOS offers hazardous material storage, secondary spill containment, spill and flood control, handling equipment and accessories, and facility maintenance and work safety product lines.
Nicem, established in 1970 and headquartered in Bergamo, Italy, is a manufacturer and supplier of industrial machines and plants. The company provides various solutions that include enameling, vibro-fin hinging, and furnaces for abrasive disks. Its individual products include silicone rubbers for spin casting, glass dryers and polishers for professional catering services, and enamel ovens. It welcomes consultation on complete industrial or commercial processing lines and can provide custom-designed, engineered, and manufactured turnkey systems. It also provides practical and theoretical training courses for the correct use of its machines, plants, and consumables.
Therma-Stor LLC was established in 1977 and is located in Madison, Wisconsin, U.S.A., and is a manufacturer of residential dehumidifiers and restoration equipment for various industrial and commercial applications. The company's product list consists of free-standing and whole-house ventilating dehumidifiers to avoid the problems caused by moisture, agriculture, and industrial dehumidifiers. The company also offers restoration equipment for water damage restoration professionals to carry out dehumidification, air scrubbing, water extraction, and evaporative drying. The company products are available in different brands namely Quest, Phoenix, Therma Stor, and, Santa Fe.
Glas-Col LLC, founded in 1939 and headquartered in Terre Haute, Indiana, is a manufacturer and supplier specializing in laboratory equipment and industrial heating solutions. The company offers diverse products, including heating mantles, mixers, and shakers, used in research, pharmaceuticals, and manufacturing processes. The company provides equipment that adheres to ISO 9001 certification, ensuring quality. The company also expanded its product offering by adding several types of mixing, instrumentation, evaporation, and air purification equipment to complement its founding products.
Merck, started in 1668 and based in Darmstadt, Germany, is a supplier of solutions and services for research, development, and manufacture of pharmaceutical and biotechnological drug therapies. The company serves the life science industry and has a broad portfolio of 300,000 products, including biopharmaceutical manufacturing, industrial microbiology, reagent, life science research, and water purification products. It is available in 66 countries, brings together six brands, and has several ISO certifications, including ISO 13485, ISO 14001, ISO 13485, and ISO 50001.
Absolent Air Care Group AB, established in 1993 and based in Gothenburg, Sweden, is a manufacturer and supplier of air filtration technologies. The company's product portfolio includes oil mist collectors, ambient air cleaners, and dust collectors. These products are used in various applications, including food processing, material handling, and 3D printing. The company also provides services, including technical support, consultation, and maintenance. The company operates in more than 60 countries, with offices and distributors, including Canada, China, and the United States.
Taiyuan Lanlang Technology Industrial Corp, since 2005, is a manufacturer and supplier of water filtration media in North Jiefang Road, Taiyuan, China. The company’s products are Crystphos polyphosphates, Iino exchange resins, Minecera bioceramics, and water filter cartridges applied in function drinking water, industrial water treatment, beauty care, family cleaning water, and an aquarium. The company has NSF certification, with NSF44 & 42 standards, and WQA, InterTex, and SGS test the materials.
SRR Aqua Systems, founded in 1994 in Hyderabad, Telangana, India, is a manufacturer and supplier of water treatment and swimming pool equipment. The company manufactures pressure sand filters, swimming pools, float lane rollers, underwater LED lights, and swimming pool filtration systems. It also manufactures vacuum head suction sweepers, swimming pool chemicals, holding bars, life-saving hooks, and pool accessories like skimmers, drain gratings, float lane ropes, and backstroke indications in accordance with GMP requirements.
STAR PUROTECH FILTERS PVT. LTD, established in 1992, is a manufacturer, exporter, and supplier of HVAC products, air intake and exhaust systems in Gautam Buddh Nagar, Uttar Pradesh, India. The company’s product range includes activated charcoal filters, cellulose pads, fan coil unit filters, diffusers, and pocket filters. It also created vertical laminar air flows, linear drills, air washers, duct dampers, and air conditioners used in food processing, pharmaceutical, aerospace, optics, and electronics applications.
Enviro Tech Industrial Products, established in 1995, is a manufacturer, distributor, exporter, and supplier of industrial filters, clean room equipment, air distribution products, cooling systems, and cooling tower spare parts. The company’s product line has pressure gauges, cellulose paper pads, replacement filters, evaporated cooling pads, and pressure transmitters. It also produces magnetic gauges, cooling towers, air filters, flow fans, and condenser coils for dust collection, pump control, electronics, distillation control, and water treatment sectors.
Kisna Pneumatics, started in 2018 in Coimbatore, Tamil Nadu, is a supplier, designer, and manufacturer of industrial air filtration and pneumatic systems. The company product categories are airline filters, filter elements, and auto drain valves that are electronic and mechanical for high and low discharge used in moisture separators, air dryers, and pipe lines. The company plans, researches, and develops to serve the oil, gas, water, and air supply industries.
Dust Free LP, founded in 1982 and headquartered in Royse City, Texas, United States, is an IAQ equipment and solution manufacturer and B2B services supplier. The company was founded specializing in air filtration equipment designed to benefit allergy patients who needed a clean indoor environment. It now manufactures numerous air purification equipment designed for patients and residents, including IAQ components, including dust, pollen, and mold air filters, and UV components to kill bacteria. It also produces larger capacity HEPA-grade filtration systems suitable for professional facilities. The company also works with HVAC and boiler manufacturers as a partner manufacturer.
Merck Millipore, founded in 1954 and headquartered in Darmstadt, Germany, is a manufacturer, distributor, and supplier of life science products and services. Their diverse range of products finds applications in research, development, and manufacturing of biotechnological and pharmaceutical drug therapies. Some of their offerings include filters for removing contaminants from liquids and gases, chromatography columns for separating and analyzing complex mixtures, reagents used in various laboratory assays, antibodies for detecting and quantifying specific molecules, and cell culture media for growing and maintaining cells in culture. Their products and services are utilized significantly in the advancement of life sciences and drug development.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Miller Electric Mfg. LLC |
33.3%
|
| 2 | FlowTech Corporation |
33.3%
|
| 3 | Clean Liquid Systems |
33.3%
|
Derivation Method
The ranking is calculated based on the click share within the prefilter page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
29 | 67.4% |
|
China
|
5 | 11.6% |
|
India
|
5 | 11.6% |
|
Germany
|
2 | 4.7% |
|
Sweden
|
1 | 2.3% |
Turkey
|
1 | 2.3% |
235 products found
235 products
Youpi Co., Ltd.
180+ people viewing
Standard Response
A water purifier that can be placed both vertically and horizontally. Equipped with a lead-removing activated carbon filter, water quality tests ha...
2 models listed
Daiwa Filter Tochigi Co., Ltd.
50+ people viewing
Last viewed: 1 day ago
This is a dust removal filter that is indispensable for various industries such as general buildings, chemical industry, electronic industry, food ...
Nimbus Co., Ltd.
40+ people viewing
Last viewed: 24 minutes ago
A pre-filter that uses non-woven filter material and is easy to handle. We have an assortment of environmentally friendly types.
Olaser Co., Ltd.
150+ people viewing
Last viewed: 17 hours ago
Fast Response
5.0 Company Review
■Product overview ・Collects dust of 10μm or more ・Adsorbs oil and sticky substances ・Combustible material *Aluminum frame is not included in the...
Thermo Fisher Scientific Inc.
180+ people viewing
Last viewed: 5 hours ago
■Nalgene prefilter (glass fiber), non-sterile This is a thin pre-filter. Use with Thermo Scientific™ Nalgene™ Reusable Filter Units/Filter Holders/...
3 models listed
Nimbus Co., Ltd.
20+ people viewing
Last viewed: 9 hours ago
A pre-filter with excellent flame retardancy that uses glass fiber filter media.
Tokyo Filtration Industry Co., Ltd.
120+ people viewing
Last viewed: 8 hours ago
Air conditioning equipment is used in many facilities such as office buildings, tenants, schools, hospitals, and factories, and is equipped with a ...
Yagyu Shokai Co., Ltd.
30+ people viewing
Last viewed: 8 hours ago
Very Fast Response
■Features -A maintenance filter for Onikaze heavy smokers. ・The louver filter and 3-layer drum filter can be washed and reused. - Please replace t...
MCC Co., Ltd.
60+ people viewing
Last viewed: 1 day ago
Standard Response
We offer filtration tailored to your needs, customized design, cost reduction, and optimization of product specifications. ■Features - Unique plea...
Hashimoto Cross Co., Ltd.
410+ people viewing
Last viewed: 8 hours ago
Standard Response
■Features Compatible with large openings (filters) that Air Filter 2 could not accommodate. ■Wide type, suitable for large openings ・We have expa...
6 models listed
Hashimoto Cross Co., Ltd.
460+ people viewing
Last viewed: 8 hours ago
Standard Response
■Features Can be used for outside air processing or as a pre-filter for medium-performance filters. ■Applications For maintenance of air condition...
10 models listed
Hashimoto Cross Co., Ltd.
360+ people viewing
Last viewed: 1 day ago
Standard Response
■Features Can be used for outside air processing or as a pre-filter for medium-performance filters. ■Applications For maintenance of air condition...
8 models listed
Hashimoto Cross Co., Ltd.
280+ people viewing
Last viewed: 17 minutes ago
Standard Response
■Features ・This is a cut filter coated with antibacterial agent. -Can be used by attaching it to the intake port of air conditioners, ventilation ...
7 models listed
Aztec Co., Ltd.
90+ people viewing
Last viewed: 1 hour ago
Standard Response
■Features The built-in flow guide generates a cyclone effect within the filter to efficiently remove dust. It is especially effective when used as ...
Hocos Co., Ltd.
20+ people viewing
Last viewed: 2 hours ago
■What is a grease filter? Kitchen exhaust (greasy smoke generated during cooking) is mainly water and oil. Grease filters are used to shut out oil ...
Degree Co., Ltd.
90+ people viewing
Last viewed: 6 hours ago
■ Improves water quality in cooling towers, well water, and seawater, and significantly reduces maintenance costs for heat exchangers, chillers, an...
Kondoh Industries, Ltd.
350+ people viewing
Last viewed: 3 hours ago
5.0 Company Review
■Features This is a coarse dust filter with replaceable filter media. Since it is lightweight, it is easy to handle when replacing.
8 models listed
Kondoh Industries, Ltd.
180+ people viewing
Last viewed: 6 hours ago
5.0 Company Review
■Features ・A filter for removing coarse dust particles. ・The filter media can be removed and cleaned. - Filter media can be selected according to...
2 models listed
Kondoh Industries, Ltd.
90+ people viewing
Last viewed: 11 hours ago
5.0 Company Review
■Features - Built-in autoroll filter that can be incorporated into air conditioners and total heat exchanger units. - Control method can be selecte...
Hishin Co., Ltd.
110+ people viewing
Last viewed: 6 hours ago
■Summary ・Heat-resistant for drying ovens ・Durable even in environments of approximately 240℃. ・Flame retardant ・Cannot be played
Hishin Co., Ltd.
200+ people viewing
■Summary - Ideal as a pre-filter for outside air processing and neutral filters. - Can be washed several times and easily regenerated. -Can also be...
3 models listed
