Description: 1/2", Safe 1 Way Safety Drain Plug Kit, Lets Water Out Of Your Bilge But Not Back In, Ideal For Every Boater Who Has Ever Forgotten To Put In The Plug, 1/2 NPT, Features Our Exclusive Plug Handle Which Allows The Plug To Be Tightened & Loosened With A Wrench Or Screwdriver.
ie8 fix
Unified Marine 50032270 Drain- One -Way Safety Plug