Various water filter cartridege 1) Function:water filter 2) We can produce water filters such as pp, cto, udf and so on. Various water filter cartridegeWe can provide all kinds of high quality water filters with competitive price.PP filter cartridge:PP melt blown filter cartridge is made from the nonpoisonous and tastel polypropylene particle, which is heated and melted, sprayed, drew and formed ...