General description Made of glass-filled polypropylene, EPDM, and stainless steel, this 720GPH Manual Pump is designed for efficient water transfer and maintenance in boats. It is suitable for pumping bilge water and saltwater transfer, making it a versatile tool for marine applications. The compact design allows for easy installation in tight bilge spaces where other pumps may not fit, and the easy-to-remove clamp ring facilitates maintenance. Technical specifications Item Name: Manual Pump Hose Diameter: About 33mm Hose Connections: 01: About 34.5mm, 02: About 38.1mm Model: 01, 02 Type: Self-priming Colour: Black and Red Material: Plastic Package Contents 1 x Manual Pump Other information