WHALE Universal Pump 12 Litres Low Pressure. The UF1212 is one of the Universal Fresh Water Pressure Pumps delivering 12ltrs per minute, the pump requires no external switching and delivers fresh water on demand. Outlets: 2. Flow rate: 12ltrs per min (3.2 US gal). Max Suction Lift:3m (10ft). Max Head 10m (33ft). Cut Out Pressure: 15psi (1bar). Recomended Fuse: 5amp. Voltage: 12v