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air inlet cotton,
air inlet cotton,

Minimum Order: 0
Quality/Safety Certification: 0.00

The size:
color:blue white



   FRS-30  Pre-filter


   ·Washable and reusable
   ·Low initial  resistance
   ·large dust holding capacity
   ·Economical and practical


Application: ≥5μm, 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, inlet side is
blue color
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:  (suggest) 150Pa-250Pa
Max. Dust holding capacity: 520g/m2
Temp. resistance: 100°C


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