Camco's 23303 RV 1/2" Back-Flow Preventer allows water to only flow in one direction to prevent backflow. It has a heavy-duty brass body with a stainless spring. 1/2" Male x Female NPT.
Freshwater System Parts
Prop 65 Warning
WARNING: This product may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov