Features Of Nature spa Basic Fountain: We Produce Our Pet Fountain With Abs (Acrylonitrile Butadiene Styrene) Is A Very Strong And Rigid Plastic. It Is Popular For Its Toughness And Resistance To Impact. Although Considerably More Expensive Than Polystyrene, Abs Has Superior Hardness, Toughness And Gloss. It Is Dishwasher Safe. Bpa Free. Patented, Simple Design. Easy To Clean Water Reservoir. Water Spout Produces Continuous Stream Of Flowing Water. Silent Submersible Pump With Flow Control Adjustment. Optional Mat Catches Water Spills And Provides Non Slip Surface (Not Included). Replaceable Charcoal Pre- Filter Traps Bad Tastes And Odors While Spout Constantly Aerates The Water Increasing Oxygen Levels Which Enhances Pet Health. Ul Listed Transformer, Low Voltage, Energy Saving Pump.