Cherne 4" Replacement Pad for Plug with Fill/Drain Port

4" Replacement Pad for Plug with Fill/Drain Port DWV Testing made Simple! Cherne Mechanical Cleanout Plugs provide quick and easy DWV stack testing, eliminating backsplash draining though a mechanical, tool free operation. Product Features Quick & Easy – Mechanical Operation High Test Pressures - Up to 150 ft/ 65 psi No Tools Required - Install / Remove in seconds Fits PVC, ABS, & Cast Iron Cleanout Tees Durable & Replaceable Rubber Pads 2 Stage Locking Mechanism - Locks into test & drain positions No Backsplash Draining Specifications Brand: Cherne