Air Filter Material Washable and re-usable Low initial resistance Large dust holding capacity Flexible Economical and pra

Air Filter Material               

Application: ≥5um Filter dust,(especial used in the train or the subway, where the place has air-conditioning), pre-filter through air filter program 

Type: Supply slices or rolls size 

Media: Synthetic fiber with gradual density 

Washable: about 7-8times

EN779 Class: G2,G3,G4

Average arrestance: 91% (ASHRAE52.1-1992)

EUROVENT 4/5 class: EU4

DIN53438 Non-flammability standard: F1

Final resistance : (suggest) 200Pa-(max)250Pa 

Max. Dust holding 

Capacity: 620g/m2

Temp. Resistance : 100