Synthetic Pocket Air Filter

We are offering synthetic pocket air filter, washable
a) large air flow
b) low resistance
c) large dust holding capacity
d) firm structure
1) application: subtly filter particles, pre-filtration of the hepa filter
2) type: multi-pocket design
3) frame: aluminum or galvanized frame
4) media: synthetic fiber with gradual density and has hot melt seal
5) en779 class : g3,g4
6) din 53438 non-flammability standard: f1
7) final resistance: (suggest) 250pa-(max) 450pa
8) max. Dust holding capacity: 300g-400gm
9) max. Air flow: 125% of the rated air flow
10) temp. Resistance : 100
11) humidity: 100%.