This product is used for pre-filtration or coarse filtration in the ventilation and air conditioning systemIt’s processed by high-performance PET synthetic fiber with gradual density Large dust holding capacity, low pressure, be workable many times after cleaningTemperature resistance: 80℃Two types: FTY-200W(without adhesive), FTY-200Y(with adhesive)Filter particles: ≥5μmDimension Rated air velocity (m/s) Initial pressure drop(Pa)Rated air flow (sm/h)Efficiency Dust holding capacity (g/sm) Final pressure(Pa)EN779WeightLength(m)Width(m)Thickness(mm)20 1/220± 21.527540090%550250G4250g