General description The Pet Fountain Replacement Filters are designed to provide clean and fresh drinking water for your pets. With a triple-action filtration system, these filters ensure the water quality and enhance the taste, encouraging your cat, dog, or other small animals to drink more. Each pack contains 8 filters, making it easy to maintain your pet's hydration and health. Technical specifications Size: 5 x 5 inches Pack of 8 filters Material: Polyester pad, activated charcoal, ion exchange resin Installation Rinse the filter thoroughly with water before use. Replace the filter every 1-2 weeks to maintain water freshness. For optimal performance, replace every 2-4 weeks, especially with multiple pets using the fountain. Usage Compatible with 2.4L pet water cooler. Helps reduce the risk of urinary tract disease by encouraging pets to drink more water. Other information A small amount of carbon dust may be released during the life of the filter, which is not harmful to your pet.