Technologies and Benefits: SpotShield?: Spot Shield? Technology helps your faucet or shower stay cleaner longer by resisting water spots and finger prints. Magnetite: Delta Magnetite Docking uses a powerful integrated magnet to snap your faucet spray wand precisely into place and hold it there so it stays docked when not in use and doesn?t droop over time. Touch-Clean: The Delta? soft rubber Touch-Clean? Spray Holes make it easy to wipe away unsightly calcium and lime buildup with the touch of a finger helping prevent your product from developing a mineral blockage which could reduce water flow. While other kitchen faucets shower heads and hand showers may require chemical cleaners and soaking time to dissolve mineral buildup Delta products featuring Touch-Clean Spray Holes can be simply wiped clean for improved performance and an instantly refreshed look.