Reducing Coupling PVC Schedule 80 For Pipe Schedule 80 2 1/2 in Female Socket 3 1/2 in 1 1/2 in Female Socket 2 3/8 in Includes Seal No For Pipe Outside Diameter 2 1/2 in 3 5/16 in Overall Length 420 psi @ 73 Degrees F Maximum Operating Pressure 32 Degrees to 140 Degrees F