Great tasting beverages start with great tasting water. Impurities in the water can affect the way your beverages taste, but theres an easy solution. The Keurig Water Filter Starter Kit includes one water filter handle and two replacement filters (a 4-month supply) which can help remove these impurities and keep your beverages tasting their best, every time you brew. This simple filtration kit fits right inside the water reservoir of your Keurig K-Select? Coffee Maker or Keurig Plus Series brewers (excluding the K200/ K250 models) and helps remove chlorine from your water. Made from BPA-free materials, the easy-to-change filter handle and water filter cartridges in the Keurig 2.0 Water Filter Starter Kit should be changed every 2 months or 60 tank refills for maximum efficiency. Your Keurig coffee maker can alert you when you need to replace your filter just turn on the water filter reminder in the settings menu. Additional replacement filter cartridges sold separately.