Material and filtration - Coconut shell activated carbon used as the active material - High-quality coconut shell as the raw material - Includes cationic components that aid purification and activation 3-Layer protection and benefits - 3-layer protection filters hair and heavy metals - Improves the taste of the water - Helps pets drink clean and fresh water throughout the day - Supports increased water consumption and may reduce the risk of urinary tract infections How to use - Rinse the cat fountain replacement filter thoroughly with water before first use - Soak the filter in water for 2 minutes and rinse thoroughly under running water before use - Insert the Pet Water Filter Replacement into the cat's drinking water fountain Replacement schedule - Change the pet water fountain filter every 2-4 weeks to keep water fresh and clean - If multiple pets use the fountain, replace more frequently Use scenarios - In a single-cat household, the filter provides cleaner, better-tasting water to encourage hydration - In a multi-cat household, regular replacement maintains water quality for several pets - In a pet care facility or office, a shared fountain can stay fresh and inviting for all animals