A. Adjustable water volume: You may adjust the water flow when using it for the first time. Make adjustments according to your needs. If there is noise, add water to submerge the pump. B. Pure drinking water: Pets may like tap water with a certain amount of impurities, which could lead to the formation of stones. The water in the fountain is purified, reducing impurities. It can be directly drunk and is relatively safe. C. Reliable and harmless materials: It helps to ensure a certain level of health and hygiene. The volume of the water treatment pump is less than 45 decibels. It may not disturb your pet or you in the middle of the night. D. Antibacterial and high filtration capacity: The filter is made of activated carbon filter cotton, which can adsorb odors and bacteria to a certain extent. The filter can catch hair, dirt and food residues in the water, keeping the water relatively fresh and with a certain amount of moisture. E. Comfortable and clean: This cat fountain has a capacity of 1.3 liters and is suitable for cats of various ages and small dogs. Since it is relatively easy to disassemble and clean, it can also be used as a bird bath.