... wine, ect. Performance specifications: Product Wire string filter cartridgeMaterialPolypropylene,absorbent cotton, glass fibrePrecision filtration1~100micronOuter diametr60 ... /OEMAbout us:Our main products are including filter cartridges, RO water purifier, central water ... filter housing, water filter housing, water softener, UF water purifier, RO system water equipment ect. nylon string wound filter ...