Feature1. Clean Water, the unique replaceable design filter can effectively filter hair, odor and chlorine.Therefore, the fountain can give cleaner water to pets and reduce the risk of developing diseases .2.Pump design, the uniquely designed quiet pump is deployed with a custom suction cup to keep noise to a minimum.3. The capacity is 1.6L, no need to replenish water frequently, and it can meet the water needs of cats, dogs, birds and other pets of different sizes. No need to worry about your pets not being fresh enough> Drink it when you go to work. Material: PC Item Color: Fully transparent (let your pets see the water clearly). Maximum Capacity: 1.6L br/>Filter replacement time:1.The carbon filter should be replaced every month to achieve good filtering effect.2. In smart sensor mode, it is better to replace the carbon filter every 2 months.3.It is better to reserve an extra 1-2 pcs carbon filter for your pets