Keep your dog or cats water fresh and filtered with the Drinkwell Outdoor Dog Fountain Filter Multi-Pack. This multi-pack includes 3 carbon filters and 1 foam filter that are compatible with PetSafe Outdoor and Everflow Pet Fountains. Not only do these pet fountain filters keep your dog and cats water clean, but they work together to extend the life of your pet fountain pump.Replace the carbon filter every 2-4 weeks and the foam filter every 1-2 months to ensure your pets fountain maintains top performance.

• Compatible with PetSafe Outdoor Pet Fountain and PetSafe Everflow Pet Fountain
• Extends the life of your fountain pump
• Includes 3 duo-density polyester pad carbon filters to remove bad tastes and odors
• Includes 1 foam filter to catch pet hair and debris
• Replace carbon filter every 2-4 weeks
• Replace foam filter every 1-2 months

Includes: 1 Foam Pre-Filter & 3 Carbon Filters