KH Mfg CleanFlow??? Replacement Filter Cartridge 3 pack The K & H Pet Products??? CleanFlow??? Replacement Filter Cartridge 3 pack are designed to fit the K & H CleanFlow??? Filter Water Bowls. These carbon filter cartridges can filter water up to 130 times per hour ensuring that your pet's water stays fresh and clean. Providing filtered water promotes water consumption keeping your pet healthy. Product Features: Filters contents up to 130 times per hour Comes with additional reservoir tank Charcoal filter helps remove impurities Invites more water consumption Item Specifications: For Use With: CleanFlow??? Filter Water Bowl (Item# 498491) Size: Small: 3 Pack Medium: 3 Pack Large: 3 Pack Model Number: Small: 2521 Medium: 2522 Large: 2523 Small 2521 498492 655199025213