Undersink replacement filters ensure you minimize your filtration system down time with easy twist to lock design which make filter exchanges and installations a breeze. These replacement cartridges feature a slim design which allows for ease of storage when not in-use and space saving advantages when installed into the system. By reducing unpleasant contaminants like chlorine taste and odor you can enjoy a clear refreshing glass of water whenever you want. As a replacement for a point of use system, you can focus your water filtering to only the place(s) you think you need it the most. Let Tier1 assist you with your filter replacement needs. Tier1 is ready to protect every drop.