FRS-40  Coarse filter cotton

   ·Washable and reusable

   ·Low initial resistance

   ·Large dust holding capacity

   ·Flexible

   ·Economical and practical

Application: ≥5μm, 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/㎡

Temp. resistance: 100℃