PP meltblown filter membrane for water treatment, microfiltration, big through-put,resist to acid and alkali. width:0.27or 0.55m Micropore liquid filter material is one of our main products, which is made from 100% polypropylene and without any additive. The media is characterized by high filtration efficiency, big through-put, high capacity of dust holding, resist to acid and alkali, non-poison ...