UNILETS Sealing Hub, Size: 1/2 X 1 IN, Material: Malleable Iron, Finish: Triple-Coat (Zinc Electroplate, Chromate And Epoxy Powder Coat), Connection: Tapered MNPT X Tapered FNPT, Cubic Capacity: 0.74 CU-IN, Length: 2-1/4 IN, Height: 1.63