Watts LFNLF9 HT 3 4 Part of the LFNLF 9 Series American Wick Drain one diaphragm plate o ring one diaphragm plate o ring Durable Cast Iron Body with Dura Coating — Built to last This 3 4 inch lead free dual check vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply Specifications Backflow Preventer Type Dual Check with Atmospheric Vent Body Finish Polished Chrome Body Material Lead Free Brass Brand Watts Buy American Act Compliant NO Cap And Tether No Disc Material Rubber EAN 098268844818 Elbow Fitting No Hazard Protection Level Health Hazard Inlet Connection Size 3 4 IN Inlet Connection Size Metric Does Not Apply To Product Inlet Connection Type Female Threaded Inlet Shutoff Valve Type Does Not Apply To Product Inlet Thread Type FPT Lead Free YES Meter Type Does Not Apply To Product Outlet Connection Type Female Threaded Outlet Shutoff Valve Type Does Not Apply To Product Outlet Thread Type FPT Part Number 0124822 Polymer Coating No Pressure Operation Non Continuous Protection Type Backsiphonage Series LFNLF 9 UPC 098268844818