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Product name : Pre-filter roll
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Details:

Pre-filter roll

Application: ≥5μm, Filter dust , (especially used in the train or the

subway, where the place has air-conditioner), pre-filter through air

filter program

Type: supply pads or rolls size

Media: synthetic fiber with gradual density, inlet side is blue.

Washable: about 4-5 times

EN779 class: G3

Average arrestance:88%ASHRAE52.1-1992

EUROVENT4/5 class: EU3

DIN53438  Non-flammability Standard: F1

Final resistance:  (suggested) 150Pa-250Pa

Max. Dust holding capacity: 520g/

Temperature resistance: 100℃

Type

Dimensions

Rated air velocity(m/s)

Initial pressure drop (Pa)

Rated air flow(m2/h)

Length(m)

Width(m)

Thickness(mm)

Rolls

20

1/2

15 ± 2

1.5

20

5400

 

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