PP melt blown cartridge filter: (1)Size:10",20",30",40" (2)Micron:1,5, ... )Weight:440+/-5g for 40" (4)OD:63+/-1 PP melt blown cartridge filter made from nonpoisonous and tasteless polypropylene particle. Main characteristics: High ... filter precision,large flow & slight pressure difference,high capacity of removing ...