... resistance and high corrosion resistance The feature PP melt blown filter cartridge:1) High precision,high flow rate, high pressure resistance ... ):1,3,5,10,20,30,40,50...The parameter:Filter precision (μ m) 13510203050Initial precision (μ m) 10-1515-2525-3530-4035 ... -90Max particle (μ m) 15253540506090Flow (L/min) 10141720242832 PP melt blown filter cartridge