Compatible: These filters are compatible with cat water fountains for CHEERBLE, providing a perfect fit and optimal performance to ensure pets enjoy the best drinking experience. Triple Filtration: The pet fountain filter includes 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 and replace the filter every week to extend the pump's service life and maintain water quality. Warm Tips: Rinse the filter thoroughly before use to prevent carbon particles from entering the water, ensuring your pet receives clean and fresh water. Regular Replacement: To maintain effective filtration, replace the filter every 2–4 weeks. For households with multiple pets, consider replacing more frequently. Improved Taste: These filters reduce the taste and odor of chlorine in tap water, making it more appealing to cats. Quantity: 12 PCS Color: As shown Material: Non-woven fabric + activated carbon Package Contents: 12 × Pet Water Fountain Filters (other items not included) Note: Due to light reflection and differences in display screens, the color in the image may vary slightly from the actual product. Measurement error is allowed within +/- 1–3 cm.