On the Go -  BioFilter^®

Water Bottle Replacement Filters Set : WBR-200

Contains one 80 Gallon Biological filter (WBR-201), and two 40 gallon Aquaspace Carbon Pre-filters (WBR-300).

Be sure to replace filters when you reach the rated life to insure that the water is properly filtered.  Filter life is based on use on city tap water.  Cartridge life will vary due to varying water conditions.

This product does not remove or inactivate viruses.