Rule 500STC Series Tournament Series(TM)Straight Inlet Thru-Hull FittingThis new pump 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, 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. Other features include a built-in dual port option, water-cooled housing, and positive snap motor cartridge locking mechanism.WARNING: This product can expose you to chemicals including STYRENE which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.