3,700 GPH. Discharge 1-1/2″. 24 volt. 7-1/4″ H x 4-7/8″ W. Compact, efficient, long-life motors. Ability to run dry for short periods. Back flow prevention. Easy-clean, snap-lock strainer bases. Stainless steel shafts. Completely submersible. Rust and corrosion protection. Built-in thermal cut-off provides added protection for the pump and vessel. Marine grade blocked wiring. Silent operation with minimal vibration. Ignition protection.