Maintain healthy lower urinary tract Easy to install with soft water that is gentle on your body. Simply attach the cat-shaped cartridge to the bowl to reduce magnesium and calcium in tap water, and gently soft water. Easy to drink with natural posture. Comes with tall legs for easy drinking with natural posture. Non-slip silicone included [Nyan Water Wave] When you feel it soggy, the inner ribs generate waves, and effectively soft water. The inner ribs allow the cats to drink water with their tongue and tongue to spread naturally. This makes a "Nyan Water Wave" to help you drink easily. Easy to Clean: Remove the cartridge, and the bowl is dishwasher safe. Microwave safe.