Features: PREMIUM QUALITY: Made of premium-quality activated carbon cotton, these pet replacement filters can effectively remove bad tastes and odors from water, and ensure long-lasting use. WATER: Activated carbon can adsorb impurities and odor, keep the water fresh and , thus keeping your lovely pets healthy. PERFECT MATCH: This product is compatible with DrinkWell branded pet water dispensing filter. GOOD PERFORMANCE: This pet fountain filter is greatly helpful for capturing hair and other things like that and removing bad smells and odor from water to effectively keep the water and fresh in the pet drinking bowl. EASY TO & USE: This product is easy to be placed in your pet's drinking bowl and can be cleaned directly through the water. It is worth noting that you should change the filter after using about 2-4 weeks in order to maintain the water fresh. Specification: Product Name: Pet Replacement Filters Main Material: Activated Carbon Cotton Size: 110*60*5mm Weight: 10g Package Information: Package Size: 13*11*3cm Package Weight: 120g Package List: 12*Pet Replacement Filters