BEST-IN-CLASS HOME FILTRATION: Proven to remove more than 90 contaminants from tap water, including: microplastics, total PFAS, lead, arsenic, chlorine, chromium, copper, TDS, mercury, pharmaceuticals, and heavy metals FILTERED WATER MADE EASY: Low-maintenance system uses long-life filters with synchronized 2-year filter lives, and tool-free filter removal and changes take less than a minute CERTIFIED MORE EFFICIENT: Uses half the amount of water as tanked systems, with a 2:1 filtered-to-waste ratio and is certified by the American National Standards Institute to surpass the standard measuring filtered water to wastewater performance SIMPLIFIED INSTALLATION: Compact design simplifies installation, using fewer hoses and requiring installers to make fewer connections by hand compared to tanked systems - and is designed for easier maintenance with no tank to be emptied or cleaned EASY TO CLEAN: Delta kitchen faucets with Touch-Clean spray holes allow you to quickly and easily wipe away calcium and lime build-up with a touch of a finger, while the SpotShield finish resists water spots and fingerprints LIFETIME LIMITED WARRANTY: You can install with confidence, knowing this kitchen faucet is backed by Delta Faucet's Lifetime Limited Warranty CERTIFIED CLEANER WATER: Rigorously tested, meeting five NSF certifications including NSF-58, NSF-42, NSF-53, NSF-401 and NSF-372 as well as ASSE 1086