Reducing Coupling PVC Schedule 80 For Pipe Schedule 80 3 in Female Socket 4 3/16 in 1 1/2 in Female Socket 4 3/16 in Includes Seal No For Pipe Outside Diameter 3 in 4 9/16 in Overall Length 370 psi @ 73 Degrees F Maximum Operating Pressure 32 Degrees to 140 Degrees F