Jabsco PAR MAX 12 volt electric water pump instantaneous type, 11 litres per minute, 25 psi. Par Max 2.9 pressure controlled self priming water pump serving 2 or more outlets. Multi diaphragm design self primes to 1.8m vertical lift. Can be run dry without damage. Includes a bypass feature to provide a smooth, quiet flow without the need for an accumulator tank.