Watts LFNLF9 0792095 3/8 inch Male Inlet x 3/8 inch Female Outlet Lead Free Brass Body Dual Check Backflow Preventer with Atmospheric Vent - Chrome

This 3/8 inch lead free dual check vacuum breaker for laboratory faucets prevents the reverse flow of polluted water from entering into the potable water supply where portable hoses can be attached. It is designed for health hazard non-continuous pressure applications. It consists of a chrome plated lead free body construction, dual check valves, stainless steel working parts, and durable rubber diaphragm and disc