JFB-20 Air inlet cotton

الوصف

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 **3times
5) EN**9 Class: G2
6) Average arrestance: *5% (ASHRAE*2.*****2)
7) EUROVENT 4/5 class: EU2
8) DIN****8 Non-flammability standard: F1
9) Final resistance : (suggest) **0Pa—(max)**0Pa 
*0) Max. Dust holding Capacity: **0g/m2
*1) Temp. Resistance : **0℃