This is a GREAT value pack! Now you can get 3 packages of filter refills (each package has 3 filters) so a total of 9 filters - for $21.99! That's a savings of $2 off the individual price!

3 pack Filter Replacement Contains 3 replacement active carbon filters. Each pet water filter lasts 4 - 6 weeks.

Each filter measures 4.5in x 2.375in. 11.4cm x 6cm. Filters have been designed for the The Drinking Buddy Automatic Fountain BUT ALSO FIT The Watering Hole cat water fountain.

Please always rinse your new filter under cool running water before placing in the fountain.