Cat Mate Replacement Filter Cartridges for Use with Cat and Dog Mate Pet Fountains Pack of 2

If you have a Cat Mate Pet Fountain it is important to regularly replace the Carbon Filter Cartridges to keep the water clean and healthy for your pets. It is recommended to replace these every month, for two or more cats you may need to replace the filter more regularly. This prevents any build up of dirt and will prevent premature pump failure. SpecificationsFits Cat Mate Pet Fountains (335)