Quality inexpensive air filter(PJ027)

air filter 1.air filter of low initial resistance 2.air filter has large dust holding capacity 3.air filter economical and practical Application: Filter dust , pre-filter through air filter program, also use in the clean room 1.Type: synthetic fiber foldaway filter 2.Frame: aluminum or galvanized, with dismountable frame design 3.Media: washable synthetic fiber, can wash 6-8 times 4.EN779 class: G3,G4 5.Average arrestance:84%-88%(ASHRAE52.1-1992) 6.EUROVENT4/5 class: EU3,EU4 7.DIN53438 Non-flammability Standard: F1 8.Final resistance: (suggest) 200Pa-250Pa 9.Max. air flow: 125% of the rated air flow 10.Temp. resistance: ≤100°C 11.Humidity100% we are OEM manufacturers, all sizes are available at requests.