Duo-Pro piping, available in polypropylene, PVDF and ECTFE (Halar) options, offers maximum versatility to meet the unique requirements of each individual application. The mix and match feature allows system designers to specify pipe material and ratings based on media and pressure changes throughout an entire system. Duo-Pro component pieces and prefabricated spools, which are welded by trained professionals, are shipped fully fabricated and ready for installation.