Best Selling Coarse Filter, Panel Pre-Filter for HVAC Pre-Filtration

Basic Info.Model NO.3QHJ-Air filter-004ClapboardPleated Coarse FilterMedium Material Synthetic Fiber Efficiency85%Filtration Grade G4 TypeFolded FilterApplicable IndustriesHotels, Garment Shops, Building Material Shops, MaCore ComponentsAlumnium FramePorosity2.0umSealantWhite Emulsion/Universal GlueConstructionPanel FilterDimension(L*W*H)Standard SizeProduct NamePanel Pre-FilterMedia Synthetic Fiber FrameAluminum/Galvanized Steel/Stainless Steel/CardboarCertificatieEn779, En1822, ISO9001 ISO16890TrademarkTriumph PuriTechTransport PackageStandard Export PackingSpecification595*595*46OriginGuangdong, ChinaHS Code84213100Product DescriptionWashable primary air filter,washable synthetic air filter,filter dustAdvantages:1.Low initial resistan2.Large dust holding capacity3.Economical and practical Application:   1.Filter dust, pre-filter through air filter  2.program, also used in the clean room  3.Type: synthetic fiber foldaway filter  4.Frame: aluminum or galvanized, with dismountableframe design  5.Media: washable synthetic fiber, can wash 6-8 times  6.EN779 class: G3,G4  7.Average arrestance:84%-88%(ASHRAE52.1-1992)  8.EUROVENT4/5 class: EU3,EU4  9.DIN53438 Non-flammability Standard: F1  10.Final resistance: (suggest) 200Pa-250Pa  11.Max. air flow: 125% of the rated air flow  12.Temp. resistance: ≤100°C  13.Humidity:100% Specification: TypeDimension(mm)Rated air flow(m3/h)Initial pressure drop (Pa)EN779HeightWidthDepth3QHJ-Air filter-159529046850/170030/70G33QHJ-Air filter-2595595461700/34003QHJ-Air filter-359529046850/170040/80G43QHJ-Air filter-4595595461700/3400 Special sizes available upon request .Metal mesh are attached to  filter media tightly, which enhances the strength of the pleated filter media, and also  effectively weaken the shaking of the filter material to avoid second time pollutionMetal mesh pre-filter are used as primary filters in air-conditioning system, mainly used to filtrate particles bigger than 5  micrometers.Framing: Galvanized steel, Aluminum alloy, Stainless steel,  CardboardG3(EN 779): Avg. arrestance 80%, G4(EN 779): Avg. arrestance90-95%Structure: Welded steel wire mesh, Anti-corrosion metalsupportgridWorking condition: Continuous Operating Temperature: ≤90ºC ,  Humidity: ≤95% RH