The size
1m/2m*20m*20mm
Color:reen

  FRS-40  Pre-filter

     ·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/m2
mp. resistance: 100°C