Compatible: These filters are compatible with cat water fountains for CHEERBLE, fit and perform perfectly. Let pets always get the best drinking experience Triple Filtration: Pet fountain filter contains activated carbon, ion exchange resin and non-woven fabric to eliminate odor, remove heavy metal and soften water Clean regularly: Clean the pet drinking fountain pump replacement every one week to extend the service life of the pump and ensure water quality Warm Tips: Please rinse the filter thoroughly before using, which can prevent carbon particles from leaching into the water, ensuring your pet enjoys clean and fresh water Regular Replacement: In order to maintain the filtration effect, it is recommended to replace the filter every 2-4 weeks. If you have multiple pets, please consider shortening your replacement cycle Improved Taste: Filters reduce the taste and odor of chlorine found in tap water, which can make the water more appealing to cats Quantity: 16PCS / 12PCS / 8PCS Color: As shown Material: Non-woven fabric + activated carbon Package Contents: 16 * Pet Water Fountain Filters / 12 * Pet Water Fountain Filters / 8 * Pet Water Fountain Filters Only the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm