Sea-Dog 520822 Thru Hull with Stainless Cap, A: 1-7/8", B: 7/8", C: 1-3/4”, D: 3-3/8”, E: 1-3/16”, F:1" , Stainless

Thru-Hulls feature Polypropylene bodies with 304 stainless caps. Designed to allow water to pass in or out of a vessel. For use with hose for drainage above the water line. Constructed of injection molded polypropylene and 304 stamped stainless. Great in conjunction with our Drip Guards (354-520850).