PTL series filter housing is type of plastic thread lid filter housing. It is made from polypropylene homopolymer (PPH). It features superior corrosion resistance as well as high-pressure and temperature capabilities. It can be used as both bag filter housing and cartridge filter housing. Seadon also offer duplex and mutiplex filter system for high flow application. PTL series is also a good replacement for Eaton POLYLINE filter housing and Hayward FLV series.