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G4 Cardboard Pre Air Filter
G4 Cardboard Pre Air Filter

Corrugated-type G3 Cardboard Pre Air Filter : G2-G4 synthetic fiber filter media with galvanized mesh for support.

Corrugated-type G3 Cardboard Pre Air Filter

 Features: 1)G3 Coarse Air Filter is available in efficiency of 85% on 5 micron particles

2) Large Filtration Surface Area 3) Low Initial Pressure Drop 4) High Dust Holding Capacity


Coarse Filtration/Pre-Filtration for air-conditoning filtration system


Frame:Waterproof cardboard

Filter Media:  synthetic fiber filter media with galvanized metallic screen for support

Color: white,yellow,blue,green

EN779 Class: G2, G3, G4

Max.Air Flow Rate: 125% of nominal air flow rate


EN779 ClassDimension(mm) HxWxDInitial Pressure Drop(Pa)/Air Flow Rate (m3/h)Final Pressure Drop(Pa)

Other thickness: 21mm,25mm,96mm is available

Remarks: other sizes/materials are available on request

G4 Cardboard Pre Air Filter

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