Package Content:Double layer filtration system with advanced 6-stage protection. Equipped with 8 quality replacement filters.
Scope of application: they can be compatible with automatic water dispensers of models W300, W300B, W500 and W500B.
Usage Before use, please rinse the carbon filter thoroughly in water for five minutes, and then install the cat fountain filter into the cat's water dispenser.
Friendly Reminder We recommend replacing the filter every two weeks to keep the water fresh and clean. And regularly clean the fountain.
High Quality Material The cat fountain filter is made of activated carbon, filter cotton and cationic resin. You can filter hair and heavy metals to improve the taste of water, so that pets can drink clean and fresh water all day.