Seaflo Bilge Pump 3500 GPH 12-24v Voltage：12V / 24V Flow Rate：3500 GPH Outlet Dia：1-1/2" (40mm) Application Scenarios：Marine SEAFLO 12v Boat Marine Plumbing Electric Bilge Pumps ,also is non-automatic 3500GPH bilge pumps with high efficiency.,heavy duty motors, offer high capacity output. Very powerful pump. Works great and drains pretty fastQuick release strainer for easy maintenance,.Apply for water sampling, high-volume liquid transfer, low-noise continuous workplace; Large aquarium, small swimming pool, water reservoirs, fountains and many other occasions