Cleanout Adapter with Plug ABS Schedule 40 For Pipe Schedule 40 3 in Male Spigot 3 1/2 in 3 in Female NPT 3 1/2 in 8 Includes Seal No For Pipe Outside Diameter 3 1/2 in 3 1/8 in Overall Length Gravity Flow Maximum Operating Pressure -20 Degrees to 140 Degrees F