Product Description Delta® 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*. You can install with confidence, knowing that Delta faucets are backed by our Lifetime Limited Warranty. *Industry standard is based on ASME A112.18.1 of 500,000 cycles. From the Manufacturer Clean styling and simple lines define the Classic series. Practical and hardworking, this series withstands the test of time. Delta(R)'s DIAMOND Seal Technology provides a pure water delivery system. Our InnoFlex waterways are crosslinked with an electron beam versus using chemicals to eliminate the potential of adding unpleasant odors or taste.