The Watts Pure H2O Carbon Block Replacement Filter is designed for use in Watts Premier under sink water purification systems. This filter, model watts 88005217, is compatible with the H2O-F12 model and is suitable for removing chlorine taste and odor from your water. Made of white carbon block material, this filter is 203mm in height and comes in a pack of 1. With its high-quality construction and effective contaminant removal capabilities, this filter ensures clean and great-tasting water for your household.