Drinkwell Replacement Activated Carbon Drinking Fountain Filters keep your pet's water tasting clean and fresh. Each filter has a duo-density polyester pad that catches hair and debris, while the carbon removes bad tastes and smells from the water to make it more appealing to drink. Filters also help extend the life of your fountain and pump and should be replaced every 2 to 4 weeks. To replace the filter, put the filter in the filter housing with the black side facing the front.

• Removes bad tastes, smells, hair & debirs from the water making it more appealing for you pet to drink
• Extends the life of your fountain
• Change every 4 weeks, or earlier if you have mulriple pets, to maintain water freshness
• Compatible with Drinkwell Original, Drinkwell Platinum, Big Dog, Multi-Tier, Outdoor Dog, Mini, Everflow, and Zen fountains
• To replace the filter, put the filter in the filter housing with the black side facing the front.
• Suitable for the 1L & 5L Drinkwell fountains
• 3 Filters per pack