1) VITTOFILTER prefilter, Air filter material 2) Made of synthetic fiber 3) Low initial resistance 4) Flexible

VITTOFILTER prefilter, Air filter material 

AF primary filter sponge, a filter sponse with alternate blue and white, is mainly applicable to collecting the larger dust molecules in the air to prevent the medium filter from being filled and blocked with larger dusts so early and to keep longer service life and better filtration effect. It is made of super hard fiber and is sprayed with a kind of adhensive evenly for strengthening, and so it has a better primary filtration.

Weight: 200gr/sqm

Thickness: 15mm

Air Velocity: 0.55m/sec

Air Flow Rate:1980m3/h

Initial Resistence:15Pa

Final Resistance:200Pa

Medium Arrestance:77.40%

Dust Holding: 285gr/sqm

Max Temperature: 110 oC

Filtration Efficiency: G3 DIN 24185

Flame Resistance: F1 DIN 53438

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