UNIQUE FILTER SYSTEM: The drinking provides filtered, chilled and circulated water. The drinking is equipped with a water pump provides circulation and filtering through a ionic resin and activated carbon filter. The filter system filters all hair, food remains. Provides cleaning water to your lovely pets. PROMOTES HEALTH & : prefer to drink water and find it attractive when a source of flowing water is available. In nature, flowing water is much fresher than standing water. In addition, flowing water ensures a constant water circulation and a lot water. MODERN DESIGN: 2.5L/0.66 Gallon capacity is great for small to medium pets The material is PP Resin and 100% safe for your beloved pet. The transparent water level window clearly indicates the water level and reminds you to replenish water in time. Adapter with 1.5m USB cable easy to . ULTRA SILENT PET : The drinking is equipped with a very quiet water pump, this is and safe for your pet and no annoying buzzing noise for you (measured below 40dB). In addition, the water pump has a very low energy consumption of only 2W. Item Type: Water Bottles Type: Dogs colour:white Material:PP size:Height: 7.5cm Package Contents: 4 x Filter Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.