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,...