Replaceable plastic check valve with 1/2". MPT (Part No. 2P-A). Direct OEM replacement. UV and impact resistant. Paintable. NSF 61. Cutout Dim: 3-1/2" dia. Outside Dim: 4-1/2" dia. Dish Depth: 3/4". Valve Depth: 3". Polar White.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov