New From Jet Boat Performance our Polished Hex Thru Hull , available in dash 8 or for use with slip on hose , Perfect for overboard dumps , Bilge dumps etc features "no caulking" O'ring seal and our exclusive hex head flange for simple quick installation , introductory price $15.95 (tax in California) * can be shipped in a small USPS flat rate box


The underside of the head has oring groove machined into it for the o-ring, which is included. Both parts also
include the nut. The overall length form under the head to the tip of the
fitting is 3 inches