[Reusable and washable sponge + 5-Stage Filtration]: The pre-filter sponge first captures debris and hair, keeping the filter clean. Its washable design reduces the frequency and cost of filter cartridge replacement. Additionally, the five-layer filtered dog water fountain ensures fresher water for your pet by removing odors
[Living Water System + Visual Water Window]: Unlike traditional dog bowls, this pet fountain features a continuous flow of fresh, filtered water—no weird tastes.PLUS: See levels instantly thru the window (no lid lifting!)