PRM Filtration now offers a collection of PVC Valves and Fittings from Hayward Flow Control. Our wide selection includes PVC and CPVC Ball, Butterfly, Check Valves, and Y-Strainers, as well as PVC, CPVC, and Glass Filled Polypropylene Bag Filter Housings. Hayward has been a leading manufacturer of industrial thermoplastic valves and process control products for more than sixty years, all proudly manufactured in the USA.