Primary efficiency filter cotton RV air conditioner filter disposable RV AC motivate air filter antibacterialV Product Name 100% polyester Non-woven Car Air Filter for air conditioning system Reduce Dust air conditioner filter Material 100% eco polyester fiber Width 20cm-200cm or custom Thick 1mm, 2mm, 3mm or custom Weight 250g, 280g, 320g, 350g or custom Air Permeability 800-1000 L/m2s ( ISO9237 ) Heat Resistance ≥100℃ ( GB/50222 ) Filtration Efficiency ≥97% ( ISO5011 ) Pore sice 100-130μm ( ISO4003 ) Dust holding ≥380g/m2 (EN779) Product Feature Application &nb…