Why do you need this cat water auto filter fountain 1.Our water dispenser can filter 99.99% bacteria, 2.It can filter impurities such as hair loss when pets drink water 3.Change the water once a week so you have no worries For more details please view Ultra Clean Pet Water Fountain 1.Ultrafiltration Purification 2.90 Days Filter Replacement 3.0.01 m Level Purification 4.99.99% of Harmful Pollutants and Bacteria Removals CatCare UF Filter Can Effectively Remove Any Germ Larger than 0.1 Micrometers only 1/6000 of a Hair. 2.5L Large Capacity Get (Your Cat's) Weekly Water Intake,Travel without Worries Powerful and 90-Day-Lasting Filter Meanwhile, the UF Filter is Replaceable and can Last for 90 Days. Just 4 Filters Can Guarantee the Cleanest Water for a Year. The Purification Effect is Obvious Ink test 5 Hrs Later Totally Clean 3 Circulating Filtration System Step 1: 304 Stainless Steel Filter Intercept Food Debris and Hair. Step 2: 40ppi Foam Filter Block Residues and Small Particles. Step 3: Filters 99.99% E. coli Remove Harmful Bacteria, Heavy Metal ions and Any Substances Qrem Larger than 0.01Microns. A Date-Wheel for You to Mark the Start Date of This Filter Element. Every detail matters when it comes to quality and safety. Visible Fill-lines for you to Always Keep an Eye on the Water Level. A Cable Slot for Staying Neat and Organized. A Hidden Handle Design for Easy Carrying. A set of Silicone Anti-slip Pads to Prevent Slipping or Being Knocked Over by Pets. Ultra-Quiet Fluid Design A high-quality water pump and the silent ramp design can keep the fountain super quiet, which is noiseless than 35dB. Specification Learn more about CatCare Ultra Clean Pet Water Fountain from its full spec table. SGS Testing Certification Q1: Can it really purify bacteria? A: The CATCARE pet ultrapurified water dispenser, can effectively cycle sterilization, micron level cycle purification 99.99% E. coli, and has obtained the testing certification of the SGS professional testing organization. Q2: Is it easy to clean? A: The cleaning of the CATCARE water dispenser is very convenient. After disconnecting the power supply, remove the water pan, and you can directly rinse the water pan, stainless steel primary filter box and water tank; for the cleaning of the water dispenser and the health of the cat, it is recommended to keep it for 3-4 days cleaning frequency per time. Q3: How is the silence effect? A: The CATCARE water dispenser adopts a unique silencing slope design, and the sound decibel of indoor water flow is