1.material:PP 2,micron:1u,3u,5u,10u,20u,30u,75u,100u 3.length:10'',20'',30'',40'' 1.the material of the PP spun-boned filter cartridge:PP2,micron:1u,3u,5u,10u,20u,30u,75u,100u3.length:10'',20'',30'',40''4. diameter:outside diameter 65mm, inside diameter 30mm5.can be customized