Rule Livewell 800 G.P.H. FC Tournament Aerator Pump 403FC is built on Rule's unsurpassed quality and leadership in pump design and technology. The innovatic design includes many new and exciting features including a quick, on hand "push button" motor cartridge removal system, patented rotatable base that allows you to position the discharge nozzle at any location and threaded nylon hose barb attachments which allow for various hose mounting options.