Cartridge style pump head Internal integrated float switch for AUTO ON/OFF functionality Pump body accepts both 3/4” and 1-1/8” screw-on outlets to allow ease of installation; Each outlet has an O-ring for easy maneuverability without stripping Universal strainer base is connection compatible: fits Attwood Tsunami, Rule, Johnson/Mayfair cartridge pumps; screw mounting holes match Rule and Attwood Tsunami; Strainer base also includes side mounting option for tight spaces Ignition protection; Low power draw; Runs dry without damage