The CHEM-FEED C-1100X from Blue-White Industries, of Huntington Beach, Calif., is a high volume, high pressure rated metering injector with a manual mechanical control. This makes the unit well suited to OEM applications and in installations where users prefer to use their own controls. It has pressure ratings up to 150 psi and outputs up to 360 gpd. Additional benefits of the series include the company’s exclusive heavy duty ball valve head. The head has bullet cartridge valves constructed of tough PVDF.