Bulkhead Fitting, 3 In Thread Size, Required Hole Size 4-1/2 In., Connection Socket x FNPT, Temp. Range 40 to 190 Degrees F, Gasket Material FPM, Length 3-5/8 In, Material CPVC, Max. Pressure 150 PSI PVC, CPVC, and Polypropylene Bulkhead Tank FittingsUse as an inlet or outlet for faucets, pipes, and spigots. Each fitting consists of a body, gasket, and locking nut with wrench flats. Can be mounted in walls, tanks, or panels.Fittings with neoprene gaskets are NSF-61 Certified.Max. pressure: 150 psi