Cat Water Fountain Filters: Layer of cotton and activated carbon forming a three-layer filtration system. They can filter hair, particles, heavy metals and improve the taste of drinking water. 【Good Applicability】Compatible with cat and pet fountains. Water allows pets to drink clean and fresh water from the cat fountain. 【Recommendations】Please soak the filter in water for 2 minutes and rinse thoroughly under running water before use and change the filter every 2-4 weeks. Includes: 8 pack of cat water fountain filters and 8 pre-filter sponges.
