PERFECT MATCH: ONLY Compatible with 67oz/2L uahpet Cat Water Fountain. PREMIUM 6 PACK: Package includes 6-pack of premium pet fountain replacement filters and a 12-pack replacement filter Sponges. They are individually packaged and sealed to maintain high quality. FRESH, FILTERED WATER: Each filter is composed of Eco-Friendly Shell, KDF, Ion Exchange Resin, Quartz Sand, Coconut Activated Charcoal and Cotton. They can filter hair, heavy metals, and improve the taste of the water so that pets can drink clean and fresh water all day, which helps to increase water consumption and reduce the risk of urinary tract infections. RECOMMENDATIONS: To prevent the coconut activated charcoal dust (which will not harm your pets) from shedding into the water, please soak the filter and the sponge in water for 15-20 minutes and rinse it thoroughly under running water before use. EASY TO REPLACE: Easily removes when you clean your pets fountain. According to your pet"s drinking frequency and the number of pets using the fountain, please replace the filter and the sponge every 3-4 weeks to properly maintain your pet fountain. Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it