The correct Haws filter depends on your hydration station or fountain model. Popular options in this collection include the Haws 6423, 6428, 6429, 6441, and 6480 filtration kit.

The Haws 6423 Hydration by Haws replacement cartridge is listed with a 2,500-gallon capacity for compatible systems.

The Haws 6428 is a 3,000-gallon carbon block replacement filter, while the Haws 6429 is a 2,500-gallon Brita hydration station replacement filter. Compatibility should be confirmed before ordering.

The Haws 6480 is listed as a filtration kit for compatible drinking fountains and bottle filling stations, with a rated capacity of 3,000 gallons.

Replace a Haws filter when its rated capacity is reached, when the filter-status indicator signals replacement, or when water flow, taste, or odor noticeably changes.