The Chem-Feed C-600P Chlorinator from Huntington Beach, Calif.-based Blue-White Industries is designed for simple, efficient operation. Moving parts are kept to a minimum, helping to make the injector nearly maintenance free. The C-600P features the company’s exclusive Heavy Duty Cartridge Valve Head. The revolutionary design of this head begins with Bullet Cartridge Valves constructed of tough PVDF plastic. Each valve has two ceramic ball checks, and is double sealed with High Grade Viton “o” rings.