PetSafe Drinkwell Premium Carbon Replacement Filters, 3 Pack

Size :Original The Drinkwell Premium Filters feature six compartments of charcoal. This evenly distributes the charcoal for a longer lasting, deeper water filtration. More charcoal is added to each compartment to maximize water filtration. This filter will work with ANY Drinkwell Fountain (except the Drinkwell 360) and should be changed every 2-4 weeks to maintain water freshness. There are three filters per package.

• Keep the water in your pet's Drinkwell fountain tasting fresh
• 6 compartments evenly distribute charcoal for long-lasting filtration
• Compatible with Original, Platinum, and Big Dog fountains
• Replace filter every 2 to 4 weeks
• 3 filters to a package