PurHome UCD-12 is a single stage system. The filter element is rated for 3 years.
3-in-1 under the counter water filter provides superior filtration with a built-in pre-filter, KDF55, and carbon.
The KDF/GAC filter cartridge is made from the highest quality coconut shells for superior contaminant reduction in your kitchen water filtration system.The Granular Activated Carbon (GAC) reduces or removes chlorine, pesticides, herbicides, insecticides, volatile organic compounds (VOCs), bad taste and odors from your drinking water while KDF reduces chlorine 99.9%, lead, mercury and other soluble metals.
If you live in an area with higher levels of turbidity or Copepods issues such as in the New York City area and Boston, be sure to choose the 5 micron option.
Following are your replacement filter options:

CT UC Wrench