The Everpure Claris Filter Head 3/8″ BSP EV433921 is a replacement filter head built with 3/8 inch BSP fittings compatible with Claris replacement water filter cartridges. This Claris single filter head includes a mounting bracket and auto shut-off water valve for your convenience, as well as a built-in flush port and adjustable by-pass. In addition, the Everpure EV4339-21 includes a flow and backflow restrictor. This Everpure filter head features solid and durable construction ideal for foodservice and vending applications.