... length of folded filter core has 10 inch , 20 inch , 30 inch , 40 inch . The material of filter core has teflon , polysulfone , nylon ,pp and acetate .The ... hole diameter of filter ... 0.1-60 T/h flow 0.5-30 inch filter core specification 10 , 20 , 30 , 40 Mpa working pressure 0 ...