2,000 GPH. Discharge 1-1/8″. 12 volt. 7.75″ H x 4.75″ W. Automatic water sensing. Compact, efficient, long-life motors with the ability to run dry for short periods. Back flow prevention. Easy-clean, snap-lock strainer bases. Stainless steel shaft. Completely submersible. Marine grade blocked wiring. Rust and corrosion protection. Built-in thermal cut-off. Silent operation with minimal vibration. Ignition protection. 3-wire version allows manual override or indicator light capability.