Water Level Buoy & Stainless Steel：Our new design features a water level Buoy, allowing you to effortlessly keep an eye on water levels without ever having to remove the cover of the cat fountain. Crafted from premium 304 stainless steel, it's not only corrosion-resistant but can also withstand high-temperature cleaning, ensuring your pet's health and safety. Quadruple Filtration System：Cat water fountain boasts a state-of-the-art quadruple filtration system, including an activated carbon filter with a cotton layer and activated carbon. This powerful system effectively eliminates odors and softens water, while the filter sponge traps pet hair, dirt, and food particles, delivering pure and refreshing water to your furry friend. Ultra-Silent Pump：Engineered for your pet's comfort.1.5W pump is super silent when running, keep it below 20db, only the sound of water flow can be heard, allowing your furry friend to enjoy a peaceful drink without any disturbances. Cleaning Is A Breeze: ANNAINUTC cat water fountain BPA-free and helps prevent pet acne. All parts are easy to assemble and disassemble, makes it super easy to clean every corner without hassle. NOTE: For optimal pet health, we recommend replacing the filter and sponge and cleaning the pump and fountain every 1-2 weeks. Encourage Water Drinking: ANNAINUTC has observed that dynamic water flow helps attract pets to drink. Using a circulatory filtration system to aerate the water with 360° multi-directional flow increases oxygen and freshness, preventing your pet from developing urinary and kidney disease by attracting pets to drink water. Stainless Steel Cat Water Fountain