Coupling PVC Schedule 80 For Pipe Schedule 80 1/4 in Female NPT 13/16 in 18 1/4 in Female NPT 13/16 in 18 Includes Seal No For Pipe Outside Diameter 1/4 in 1 1/4 in Overall Length 565 psi @ 73 Degrees F Maximum Operating Pressure 32 Degrees to 140 Degrees F