The Drinkwell® Big Dog Fountain uses the same innovative watering system as the
Original Pet Fountain, featuring the patented free-falling stream of water that
consumers have come to rely on. A charcoal filter removes bad tastes and odours
leaving your pet with fresh tasting, filtered water. Designed by a veterinarian
specifically for large dogs, the Drinkwell Big Dog Pet Fountain has a separate
reservoir which holds 8.5 litres of water.