36"X 90 FT Polyester Air Filter Roll Blue & White

36"x 90 ft Polyester Air Filter Roll Blue & White  Specification:TypeDimensionsRated air velocity(m/s)Initial pressure drop (Pa)Rated air flow(m2/h) Length(m)Width(m)Thickness(mm)   Rolls201/215 ± 21.5205400     Advantages: ·Washable and reusable ·Low initial  resistance ·Large dust holding capacity ·Flexible ·Economical and practica     Application: ≥5μm, Filter dust , (especially used in the train or the subway, where the place has air-conditioner), pre-filter through air filter program   pre-filter through air filter program Type: supply pads or rolls size Media: synthetic fiber with gradual density   Average arrestance:91%(ASHRAE52.1-1992)   EUROVENT4/5 class: EU4   DIN53438 Non-flammability Standard: F1    Final resistance: (suggested) 200Pa-250Pa   Temp. resistance: 100ºC   Shipping, 1. Express Shipping: DHL; UPS; Fed-Ex,TNT Or SF Express; 2. Sea Boat Shipping: Accept Fob term, CIF term; 3. Airplane Shipping: Accept Fob term, CIF term; Our Services   Your reply will be replied within 12 hours. We offer you professional service in fluent English. Keep the mass production as the sample  approved Freight forwarder: faster, safer, and convenient. Samples charge: free      /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1