Kitchen sink faucets with Touch-Clean Spray Holes allow you to easily wipe away calcium and lime build-up with the touch of a finger. Delta ShieldSpray Technology cleans with laser-like precision while containing mess and splatter. A concentrated jet powers away stubborn messes while an innovative shield of water contains splatter and clears off the mess, so you can spend less time soaking, scrubbing and shirt swapping. Delta Lumicoat Finishes easily wipe clean without the need for cleaners or chemicals and are guaranteed to resist mineral buildup and hard water stains. The ultra-sleek surface repels liquids, resisting water spots and staying cleaner longer, so your faucet stays beautiful. Delta kitchen faucets with DIAMOND Seal Technology perform like new for life with a patented design which reduces leak points, is less hassle to install and lasts twice as long as the industry standard. Industry standard is based on ASME A112.18.1 of 500,000 cycles.