We need to purchase air filter paper with below specification: -Air Filter: Used in air filter element-Thickness Available: 0.35-0.70 mm- Basic weight available: 100-160g/sq.m-Technical Data can be as you request. Technical Data Light or Heavy Air Filter Paper JWK -01 JWK -02 Basic Weight q/sq.m 130 150 Thickness mm 0.45-0.5 0.55-0.6 Air Permeability (AP+=200Pa)L/100cm2.min 300 250 Corrugation Depth (f any) mm 0.20-0.28 0.20-0.28 Bursting Strength Kpa 400 450 Stiffness mg 3500 4000 Pore Size Max ;cm 85 80 Resin Content % 15 16 We need 5 M/T Kindly quoted us your best price.