Reducing Coupling, PVC, Schedule 40, For Pipe Schedule 40, 3 in, Female, Socket, 3 15/16 in, 2 in, Female, Socket, 2 11/16 in, Includes Seal No, For Pipe Outside Diameter 2 3/8 in, 3 1/2 in, 3 1/8 in Overall Length, Gravity Flow Maximum Operating Pressure, -20 Degrees to 140 Degrees F