1/2 Bronze Thru Hull w/Nut 

"Cast bronze. Flange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8" from flange. Includes flange nut. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS."

Hose: 1/2", Flange: 1-1/2", Max Hull Thickness: 1-3/8"

Sold: Each