Model 6423 replacement filter is used with the Hydration By Haws™ bottle filling stations. It is a carbon block filter cartridge with a service life of 1 year/2,500-gallons (9463 L). Filter contains an onboard chip to store total gallon usage; this chip interfaces with an Electronic Lifecycle Control system to allow water flow only until the filter reaches its total gallon capacity. Tested and certified by CSA against NSF/ANSI Standard 42 for the reduction of chlorine (taste and odor) and against NSF/ANSI Standard 53 for the reduction of lead and 99.99% of cysts.

Prop 65 Warning. For California Residents Warning: This product contains a chemical known to the State of California to cause cancer and/or birth defects or other reproductive harm. Please click here for more information.