Reducing Coupling PVC Schedule 80 For Pipe Schedule 80 1/2 in Female NPT 1 1/4 in 14 1/4 in Female NPT 7/8 in 18 Includes Seal No For Pipe Outside Diameter 1/2 in 1 7/16 in Overall Length 425 psi @ 73 Degrees F Maximum Operating Pressure 32 Degrees to 140 Degrees F