Features: 1Barbed End Design: The heavy duty thru hull fitting end is professionally designed with barbed type which can accept multiple hose clamps, greatly bring you more convenience. 2Exquisite Workmanship: The thru hull fitting drain is equipped with a beautiful stainless steel 316 trim cover with mirror polish treatment, well matched with the overall style of your vehicle. 3Professional Flapper: The thru hull connector is specially designed with a black rubber flapper which can allow the water to drain and flaps close to prevent incoming backwash. 4High Quality Materials: The heavy duty thru hull scupper molded from nylon with fiberglass, making sure reliable strength, durability and performance, long lasting to use. 5Convenient to Install: The thru hull fitting comes with simple while sturdy construction, makes it easier to install, however, it is NOT recommended to use below the waterline. Item Type: Thru Hull Fitting Material: Nylon Glass Fiber Stainless Steel Application: For yachts, boats, marines, ships Package Included: 1 x Thru Hull Fitting