Product Description: 1-1/2" Thru-Hull With Nut Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Includes nut.
NOT TO BE USED IN POTABLE WATER SYSTEMS. ALT Part Numbers: GRO TH150W, 30-6684