Trac 800/1100 (3/4" and 1-1/8") GPH Bilge Pump:Cartridge-style pump headPump body accepts both 3/4" and 1-1/8" screw-on outlets to allow ease of installationUse the 3/4" outlet for 800 GPH or the 1-1/8" outlet for 1100 GPH flow ratesUniversal strainer base is connection-compatible with Attwood Tsunami, Rule and Johnson/Mayfair cartridge pumpsScrew mounting holes match Rule and Attwood Tsunami pump basesIgnition protection and low power drawTrac pump runs dry without damageMeets ABYC, Coast Guard and ISO marine standards This product ships in approximately 1 days