K Series Hand Operated Marine ToiletFeatures:House-size bowl3" piston pump mechanismAdjustable flow up to 4 GPMAll bronze pumpElectric or hand operated models are availableElectric models operate by touch of a button and are quickly converted to hand operation by removing one easily accessible boltFor installation above or below the waterline; foot pedal water control allows the desired amount of flush water to be used and automatically shuts the water inlet off when the foot pedal is releasedNo valves to close or hand wheels to turn