About item:

• REPLACEMENT FOR GRAVITY WATERER: Charcoal filter is a direct replacement for the Replendish Mason Gravity Waterers Charcoal filter’s external polyester material captures sediment to keep water clean for cats dogs
• CONTROL CHLORINE ODOR: Includes 3 filters Internal charcoal element controls chlorine levels odor to provide clean, fresh water for pets Filters last from 6 to 8 weeks Filter straps ensure a secure fit into the gravity water bowl