... PP with core:Product Information Introduction:PP Melt-blown filter cartridge (PPF) is made from polypropylene. It ... . Special cartridges can be customized. Specification: ProductPP filter cartridgeMicron rate 1~100 micronOuter diameter60~62mmInner diameter 28mmor ... RO system, solvent, chemical industry, oil industry, drinking water treatment, electronic and power industry, plating, food and beverage, ...