Product Name: Filter Mats Type: G4 Filtration Grade: Pre Filter Efficiency: G4 Medium Material: Nonwoven Fabric Clapboard: without Clapboard Trademark: AST's Brand or OEM is available Transport Package: PP bag Origin: China HS Code: 84219990 Product Description Features and applications:Fibermat is produced from unbreakable nonwovens,progressively structured and bonded tightly without fiber shedding;Mainly used as media for pocket or panel filters.fibermat pait arrestor is made of glass fiber with excellent elasticity and high efficiency for paint mist collection.Materials and operating conditions:CompositionPET/PP fibers;Glassfiber;Cotton fibersMax.working temperature80ºCMax.working Rel.Humidity100%Standard specifications:TypeModelFilter Class(EN779)Filter Class(ISO16890)Rated Velocity(m/s)Initial Resistance(Pa)Thickness(mm)filtermatAKM-20G2Coarse 30%1.5155-8AKM-30G3Coarse 40%1.53012-15AKM-40G4Coarse 60%1.53520Washable filtermatAKM-40RWG4Coarse 65%1.53320Roll-system filtermatAKM-20RMG2Coarse 35%1.5205-8AKM-30RMG3Coarse 45%1.53512-15Paint arrestorAKM-30GG3Coarse 40%0.5-2.525-3550AKM-40GG4Coarse 60%0.5-2.530-45100Dimensions can be customized on request;Special flame-retardant model available for rail transit industry.