Catit Fountain Allows 3 different water flow settings for picky drinkers and offers maximum oxygenation for fresher, better tasting water 3L re-circulating system takes up little floor space. Dimensions are 9.0 x 8.3 x 7.7 inches The unique design makes only fresh water available to the cat Includes a dual-action water softening filter and a small energy-efficient pump. Made of BPA-free materials Ergonomic design matching the Catit Multi Feeder (#43741). Combine the two for a complete dining experience If the pump is making excessive noise, be sure to check the water level as it is most likely low