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Product name : Washable pre-filter
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Details:
Washable pre-filter
·Low initial resistance·Large dust holding capacity·Economical and practical.Application: Filter dust, pre-filter through air filter 
program, also used in the clean room
Type: synthetic fiber foldaway filter
Frame: aluminum or galvanized, with dismountable
frame design
Media: washable synthetic fiber, can wash 6-8 times
EN779 class: G3,G4
Average arrestance:84%-88%(ASHRAE52.1-1992)
EUROVENT4/5 class: EU3,EU4
DIN53438 Non-flammability Standard: F1 
Final resistance: (suggest) 200Pa-250Pa
Max. air flow: 125% of the rated air flow
Temp. resistance: ≤100℃
Humidity:100%
 
Type
Dimension(mm)
Rated air flow (m3/h)
Initial pressure drop (Pa)
EN779
Height
Width
Depth
FRS-KQX-1
595
290
46
850/1700
30/70
G3
XF-KQX-2
595
595
46
1700/3400
XF-KQX-3
595
290
46
850/1700
40/80
G4
XF-KQX-4
595
595
46
1700/3400
Special sizes available upon request.

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