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filter, filter cotton, air inlet cotton, metal mesh, coarse filter cotton, Manufacture and Supplier - China(CN)
FRS-40 Coarse filter cotton (FRS-40 )
FRS-40 Coarse filter cotton
?Washable and reusable
?Low initial resistance
?Large dust holding capacity
?Flexible
?Economical and practical
Application: ?5gm, Filter dust , (used in the place where need washing and filtering), pre-filter through air filter program
Type: supply slices or rolls size
Media: synthetic fiber with gradual density
Washable: about 7-8 times
EN779 class: G4
Average arrestance:91%]ASHRAE52.1-1992^
EUROVENT4/5 class: EU4
DIN53438 Non-flammability Standard: F1 Final resistance: (suggest) 200PA-250Pa
Max. Dust holding capacity: 620g/T
Temp. resistance: 100J
