Gusher Urchin Manual Bilge Pump Thru Deck/Bulkhead Since the 1940s Whale engineers have refined our manual bilge pump designs and completed extended life testing - the result? Whale's iconic manual bilge pump range. Manufactured by hand using high grade materials and drawing on more than 60 years experience. Features * Easy of operation - Smooth easy action * Easy maintenance - Clamp ring easily removed for pump head rotation and quick maintenance * Versatility of design - Dual size nozzles for 25 mm (1') or 38 mm (1+') hose to suit your plumbing * Efficient performance - up to 55 ltrs (14.5 US gals) per minute * Three different mounting models (deck, bulkhead and thru deck models) Warning [https://productimageserver.com/prop65/6pt.png]WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov [http://P65Warnings.ca.gov].