These Thru-Hulls are ideal for salt water use because they are impervious to electrolysis and corrosion. For use with hose to allow water to pass in or out of a vessel. Designed for drainage above the water line. Constructed of injection molded polypropylene.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.