Automatic, self-priming, 12V centrifugal pumps. Ideal for all watercraft. Designed for easy installation and retrofitting. 800GPH 3/4” outlet and 1100GPH 1-1/8” outlets in one package! 3/4” Dia. Outlet = 800 GPH; 1-1/8″ Dia. Outlet = 1100 GPH; 5 AMP FUSE – 12v DC; 3.7A @ 13.6v DC