Pure Crystal Softening Filter eco Half-Circle For Dogs, Pack of 8 ■ Basic Description ● Filter for dog water dispensers. ● Ionic (ion exchange resin) removes magnesium and calcium from tap water, creating soft water that is gentle on pets. ■ Product Description ● Product size: Width 136 x Depth 82 x Height 150mm. ● Materials: PP, ion exchange resin, activated carbon. ■ Notes ● For health maintenance, replace the filter every 3 weeks to 1 month, or when visible dirt such as hair or food debris becomes noticeable. ● When replacing the filter, be sure to clean all parts of the Pure Crystal main unit and the pump to maintain cleanliness. ● For the filter-type water dispenser Pure Crystal, please use the GEX Pure Crystal dedicated filter.