FRS-30 Coarse filter cotton
·Washable and reusable
·Low initial resistance
·Large dust holding capacity
·Flexible
·Economical and practical
Application: ≥5μm, Filter dust , (especially used in the train or the subway, where the place has air-conditioner), pre-filter through air filter program
Type: supply pads or rolls size
Media: synthetic fiber with gradual density, inlet side is blue.
Washable: about 4-5 times
EN779 class: G3
Average arrestance:88%(ASHRAE52.1-1992)
EUROVENT4/5 class: EU3
DIN53438 Non-flammability Standard: F1
Final resistance: (suggested) 150Pa-250Pa
Max. Dust holding capacity: 520g/㎡
Temperature resistance: 100℃
