2.Application: high standard ventilation system
FRS-40 Air Inlet Cotton, Coarse filter cotton, Filter dust
1.Washable and reusable
2.Low initial resistance
3.Large dust holding capacity
5.Economical and practical
Application: applicated in high standard ventilition system as following equipment,
1. Air conditioning and air ventilation systems.
2. Air supply system as a pre-filter in dusty situation.
3. Spray systems and baking devices, air supply pre-filter and uniform air flow.
Type: supply pads or rolls size
Media: synthetic fiber with gradual density, inlet side is blue.
Washable: about 7-8 times
EN779 class: G4
EUROVENT4/5 class: EU4
DIN53438 Non-flammability Standard: F1
Final resistance: (suggested) 150Pa-250Pa
Max. Dust holding capacity: 520g/per stere
Temperature resistance: 100°C
Rated air velocity(m/s)
Initial pressure drop (Pa)
Rated air flow(m2/h)
20 ± 2