Fade and impact resistant plastic. Cut-out: 1-1/2 in.D. OD is 3 in. D. 1 piece brass check valve 1/2 in. MPT.
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