Model 401STC – Straight Thru-hull Inlet 500 GPH 20mm Hose Barb 2.5 amp Fuse Rule’s new tournament 400 series thru-hull Livewell cartridge pumps are powerful, long-lasting and are built on Rule’s unsurpassed quality and leadership in pump design and technology. 3 Styles available – angled inlet, straight inlet, ¾” thread valve mount 3 gallon per