Model 6423 Haws Replacement Filter is used on the Hydration By Haws™ models (2000S, 2000SN, 2000SMS and 2000SMSN) and is 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. 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. Haws Replacement Filter
For Haws models 2000S, 2000SMS and 2000SMSN.