Three different mounting orientations (deck, bulkhead and thru deck models). Tough, lightweight proven design. Compact design is ideal for confined spaces. Clamp ring easily removed for pump head rotation and quick maintenance. Smooth easy action up to 55 ltrs (14. 5 US gals) per minute. Dual size nozzles for 25 mm (1) or 38 mm(11/2)hose. Suitable for use on small to medium sized boats. Suitable for upgrade to diesel transfer with Nitrile diaphragm (service kit AK9011)