Whale Supersub Smart Low Profile Automatic Bilge P

The narrow design is ideal for tight spaces and the multi-position pump head and body makes either a vertical or horizontal installation quick and easy. Pump automatically senses the water level and switches on and off as needed with an environmentally friendly,solid-state,mercury free design that is unaffected by wave action. 3" max. overall height,2-1/8" max. overall width. Available in 650 GPH without return valve or 1100 GPH with non-return valve.