G4 pre filter media:
1 Thickness 20mm,
2with glue or not upon your request.
3certificate:ISO9001:2008
G4 Pre filter media made in China
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 places
where need washing and filtering),
pre-filter through air filter program
Type: supply pads 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: (suggested) 200Pa-250Pa
Max. Dust holding capacity: 620g/sq.m
Temp. resistance: 100°C
Type | Dimension | Rated air velocity(m/s) | Initial pressure drop (Pa) | Rated air flow(m2/h) | ||
Length(m) | Width(m) | Thickness(mm) | ||||
Rolls | 20 | 1/2 | 20 ± 2 | 1.0 | 38 | 3600 |
