Cozyieland Cat Water Fountain Filters, 4 Pack Replacement Filters With 2 Pre-Filter Sponges

Multiple Filtration System – Each filter is made of high quality process. They will help to ensure the water quality and protect pets health. Double Insurance Combination – Captures hair and debris to extend the life of the water fountain. Ensure the health of every drop of water making the water cleaner and fresher. How to use – Wet the filter and sponge before using them to ensure they can play a better role. Necessity – Using the filter and sponge will prevent impurities enter the machine and effectively extend the life of the water fountain. Note – Pet water fountain need to be replaced with filter and sponge every 2-4 weeks to keep the water fresh.