Model No. 318P1/FPS-3R 318P1 is designed specifically with the Sea-Kayaker in mind, this upgraded version of our popular Canoe Pump includes an aluminum reinforcing shaft which prevents the pump shaft from flexing in a rolling sea and won't effect a compass. 318P1/FPS3R Sea-Kayak Pump with Float-A-Pump Sleeve installed at the factory. Provides positive flotation for pumps dropped overboard.