1.Washable and reusable 2.Type: pads or rolls sizes 3.Media: synthetic fiber with gradual density 4.EN779class: G2

FRS-20 air inlet cotton,pre filter,filter media,air conditioner filter,air filter

1.Features

 ·Washable and reusable

·Low resistance

·Excellent flame retardant

·Flexible

·Economical and practical

2.Application:  ≥5μm , Filter dust (especially used in the train or the subway, where the place has air-conditioner), pre-filter through air filter program

3.Specifications:

Type: pads or rolls size

Media: synthetic fiber with gradual density.

Washable:about 2-3times

EN779class: G2

Average arrestance:75%(ASHRAE52.1-1992)

EUROVENT4/5 class: EU2

DIN53438  Non-flammability Standard: F1

Final resistance:(suggested) 100Pa-(max)200Pa

Max. Dust holding capacity: 430g/m2

Temperature resistance: 100°C

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	10 ± 2	1.0	18	3600

FRS-20 air inlet filter cotton,pre- filter cotton,pre-filter media