▷Health enhancing: The constant circulation of Water ensures the Drinking Water is optimally oxygenated and hinders the spread of bacteria, making it Fresher than a traditional Drinking Bowl, keeping your Pet Healthy ▷Environmental protection, Energy-efficient, Safety and Health: This pet water fountain was designed in ultra-low power consumption in maximum 2.6 kWh monthly; Made of food grade materials, BPA Free ▷Easy to assemble and clean: The pet water fountain is easy to dissemble if you follow the instructions, super easy to clean the fountain by water and cleanser. ▷No need plumbing: The whole unit is self-contained, just keep the bottom bowl topped-up to the clearly marked “maximum” level with cold tap water on a daily basis. Never let the water level drop below the “minimum” mark. The fountain has a generous water capacity of 2.5 litres(0.66 gal)making it ideal for a small dog or up to three cats ▷The replaceable carbon filter cartridge (5 included): It keeps the water clear, fresh and free from odours, just the way your pet likes it. We recommend that the cartridge should be replaced monthly, or sooner if required.