General description Your pet deserves clean and safe drinking water. The Cat Water Fountain & Water Dispenser Filter Element is designed specifically for use with PETKIT EVERSWEET 1, 2, and 3.0 water dispensers, ensuring that your furry friends stay hydrated while benefiting from advanced filtration technology. Technical specifications Compatible with: PETKIT EVERSWEET 1, 2, and 3.0 fountains Filter replacement frequency: every 3 months in SMART mode, every 1 month in NORMAL mode Filter material: purolite, high-quality cotton mesh, coconut shell activated carbon, ion exchange resin Compatibility and accessories For EVERSWEET WATER FOUNTAIN 1, purchase NEW TRAY separately FILTER 2.0 is compatible only with NEW TRAY and FOUNTAIN 1.0 Installation Soak the filter element in cold water for 5 minutes before installation to activate the ion exchange resin After replacing the filter, press and hold the black reset button at the bottom of the dispenser to turn off the orange indicator light