Compatible: These filters are compatible with cat water fountains for CHEERBLE, providing a perfect fit and optimal performance. Help pets enjoy the best drinking experience Triple Filtration: Pet fountain filter contains activated carbon, ion exchange resin, and non-woven fabric to eliminate odors, remove heavy metals, 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 use to prevent carbon particles from leaching into the water, ensuring your pet enjoys clean and fresh water Regular Replacement: To maintain filtration effectiveness, it is recommended to replace the filter every 2–4 weeks. For multiple pets, consider shortening the replacement cycle Improved Taste: Filters reduce the taste and odor of chlorine found in tap water, making 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 is included; other products are not included Note: Light reflection and different displays may cause slight color variations between the item in the picture and the actual product. Measurement allowance is +/- 1–3 cm