Heavy air filter filter paper

Get $500 coupon air filter paper used for filter Siffness 3.0 mN.M We produce all kinds of auto filter paper. Our filter paper has good features of big air permeability, proper stiffness, suitable pore size, good filtration with a long lasting using time. Air Filter Paper Grade A Grade B Grade C Basic Weight g/sq.m 120 ± 5 130 ± 5 135 ± 5 Thickness mm 0.4 - 0.45 0.45 - 0.5 0.5 - 0.55 Air Permeability (ΔP=200Pa)(L/100cm2.min) 150 - 180 140 - 170 130 - 160 Corrugation Depth (if