China (Mainland)
Air inlet cotton
A) Washable and re-usable
B) Low initial resistance
C) Large dust holding capacity
D) Flexible
E) Economical and practical
1) Application: ≥5um Filter dust,(especial used in the train or the subway, where the place has air-conditioning), pre-filter through air filter program
2) Type: Supply slices or rolls size
3) Media: Synthetic fiber with gradual density
4) Washable: about 2-3times
5) EN779 Class: G2
6) Average arrestance: 75% (ASHRAE52.1-1992)
7) EUROVENT 4/5 class: EU2
8) DIN53438 Non-flammability standard: F1
9) Final resistance : (suggest) 100Pa—(max)200Pa
10) Max. Dust holding Capacity: 430g/m2
11) Temp. Resistance : 100â