Rule 2000Engineered to commercial standards. The Rule 2000 is the best selling high capacity submersible bilge pump in the world. 1-1/8" (28.6mm) discharge outlet. 12 Volts DC unless noted.Features: Fully Submersible Easy clean triple stage snap lock strainer Silent and vibrationless operation Anti-airlock protection Compact, efficient long life motor Ignition protected No burn-out when run dry Rust and Corrosion protection Used by leading boatbuilders worldwide marine grade blocked wiring WARNING: This product can expose you to chemicals including FORMALDEHYDE (GAS) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov. Specifications: Gallons Per Hour: 2000 GPH Operation: Non-Automatic Outlet Size: 1-1/8" Volts: 12v Type: Electric Box Dimensions: 5"H x 6"W x 7"L WT: 3.3 lbs UPC: 042237083319 Owner&';s Manual (pdf)