Product Description Delta bathroom sink 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 . Plus, everything you need is together in one convenient box, including integrated supply lines and drain assembly, so there's no need to order additional parts. Designed to look like new for life, Brilliance finishes are developed using a proprietary process that creates a durable. tarnish or discolor. You can install with confidence. Delta WaterSense labeled sink faucets, shower faucets and toilets use at least 20% less water than the industry standard—saving you money without compromising performance. Industry standard is based on ASME A112.18.1 of 500,000 cycles. This product is ADA and no-lead complaint. From the Manufacturer The design was inspired by a strong presence in nature like that of tree with reaching branches.