WATER FILTER FAUCET: Dispenses clean, fresh drinking water by reducing harmful chemicals, at the push of a button REDUCES HARMFUL CHEMICALS IN WATER: Independently certified to reduce 99.7% of lead, 96.9% of chlorine, and 92.6% of class I particulates. Based on NSF/ANSI 42 and 53 standards at 6.5pH EASY-INSTALL WATER FILTER: Included water filter can be installed in the countertop for quick replacement or inside the cabinet if counter space is limited, the most innovative water filter design on the market today 300 GALLONS OF FILTERED WATER: Each filter provides 300 gallons of filtered water, lasting approximately 6 months for a family of 4 with typical usage UNFILTERED TAP WATER: Lever handle provides access to unfiltered tap water to extend the life of the filter PULL-DOWN SPRAY HEAD: Multifunction spray head features LED button to access filtered water and dual spray toggle button to switch from stream to spray modes FILTER/BATTERY REPLACEMENT ALERT: LED indicator on spray head lets you know when filter or battery need replacing SMOOTH RETRACTION: Re-Trax system ensures smooth extension, retraction and docking of the faucet spray head DRIP-FREE: This single-handle kitchen faucet features a quality ceramic disc valve ensuring drip-free performance for life