TRAC Outdoor Products T10004 Submersible 800 / 1100 GPH Bilge Pump Cartridge style pump head 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 Meets ABYC, NMMA, Coast Guard and ISO marine standards