With a low-profile design and horizontal or vertical discharge positions, these versatile pumps are a great choice for narrow/low clearance bilges where others just wont fit. The strainer is designed to leave a minimum water level of just 3/8". Twist-lock assembly/disassembly makes them easy to clean. Super Sub 650 and 1100gph pumps feature a non-fouling, built-in electronic switch with no moving parts. Pump Type: Centrifugal Submersible: Yes Power Requirements: 12V DC Port Diameter: 3/4" Case Material: Polypropylene Warranty: One year