Washable pre-filter
Low initial resistance
Large dust holding capacity
Economical and practical
Application: Filter dust , pre-filter through air filter system, also use in the clean room
Type: synthetic fiber foldaway filter
Frame: aluminum or galvanized, with dismountable frame design
Media: washable synthetic fiber, can wash 6-8 times
EN779 class: G3,G4
Average arrestance:84%-88%(ASHRAE52.1-1992)
EUROVENT4/5 class: EU3,EU4
DIN53438 Non-flammability Standard: F1
Final resistance: 200Pa-250Pa
Max. air flow: 125% of the rated air flow
Temp. resistance: ≤100 degree Celsius
Humidity:100%