The iSpring FA15 Alkaline Replacement Water Filter is a 10" inline quick connect designed for reverse osmosis systems. Made with lead-free and BPA-free materials, this water filter utilizes an alkaline ionizer filtration method to remove chlorine taste and odor, making it suitable for both commercial and household use. With a sleek white design and compatibility with standard 2.5" x 10" models, the iSpring FA15 is a reliable and efficient choice for improving the taste and quality of your water.