Hongtek is one of global leading manufacturers for plastic filter bag housings and cartridge filter housings. PPH(Polypropylene Homopolymer) bag filter housings and cartridge filter housings are made of PP reinforced polypropylene material, which is integrally injection-molded, without welding, no side leakage, easy to install and maintain. PPH plastic bag/filter housings are acid and alkali resistance, high temperature resistance, high pressure resistance, good softness and easy molding. PPH plastic filter housings include PPH filter bag housings, single or multi PPH high flow filter housings, PPH multi cartridge filter housings. Plastic bag filter housings and cartridge filter housings are widely used in fields containing strong acid and alkali, such as industrial wastewater, seawater desalination, chemical industry, electroplating filtration industry, petrochemical, metal processing etc.