Sealand Noz-All Pump Out Adapter makes for easy, clean dockside pump out. Made of durable heavy duty nylon. Provides airtight seal between deck fitting and dockside pump. Allows pump to prime without water. Works with both rubber nozzles and cam operated type suction hose fittings.
To determine which Noz All adapter will fit your deck fitting:
1: Measure the outside diameter of the cap threads.
2: 343502 and 343503 are 11.5″ TPI, 343504 is 16 TPI