Product Description

Advantage: ·Washable and reusable ·Low initial resistance ·Large dust holding capacity ·Flexible ·Economical and practical 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 **5 times EN**9 class: G3 Average arrestance:*8%（ASHRAE*2.*****2） EUROVENT4/5 class: EU3 DIN****8 Non-flammability Standard: F1 Final resistance: (suggested) **0Pa***0Pa Max. Dust holding capacity: **0g/㎡ Temperature resistance: **0℃