Injection Molded Polypropylene
These Thru-Hulls are ideal for salt water use because they are impervious to electrolysis and corrosion. 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.
This product replaces:
- 520790B, 520790B-1, 3-520790B
