3 pack Filter Replacement Contains 3 replacement active carbon filters. Each pet water filter lasts 4 - 6 weeks.
Each filter measures 4,5in x 1.75in. 11.4cm x 4.4cm. Filters have been designed for the Cats Rule Automatic Watering Hole cat water fountain.
Please always rinse your new filter under cool running water before placing in the fountain.
Now offering flat rate shipping of $3.99 for up to 5 filter packs.