12 pack Cat Water Fountain Filter for Catit, Replacement Cat Fountain Filters for Catit Design Senses Fountain/Catit Flower Fountain/Catit Senses 2.0/ ...
Catit Senses 2.0 Water Softening Filter, Pack of 2
Amazon.com : Catit Triple Action Replacement Original Water Fountain Filters, 5 Pack – Official Replacement Filters for Catit Cat Drinking Water Fountains : Pet Supplies
6-Pack Filters, Compatible with Catit Flower Fountains Cat Water Fountain Filter Replacement
Catit Mini Fountain Filters - 3 Pack
Amazon.com: Catit Replacement 3 pack Carbon & Foam Cartridge for Fresh & Clear Water Fountain : Everything Else