It also helps to reduce bad tastes, odors and absorbs impurities present in tap water.
The filter should be replaced every 3 weeks or when the filter becomes visibly saturated with foreign matter (debris, food, hair, etc).
More frequent changes may be necessary due to indoor environmental and water conditions, as well as multiple pet use.
Dogit Design Fresh & Clear Drinking Fountain Replacement Purifying Filters, package of 3.
For use with Dogit Small Dog Drinking Fountain (73600) and Dogit Large Dog Drinking Fountain (73651).