Refrigerator Water Filters

Most refrigerator water filters, which meet NSF/ANSI 42 certification standards, use granular activated carbon (GAC) to attract chemicals and impurities responsible for bad taste and odor, such as those that are a by-product of chlorine. The life of refrigerator water filters is dependent upon the volume of contaminants in the water as well as the amount of use of the filter. If your refrigerator has a water filter cartridge, it may further reduce the water pressure if it needs to be replaced.