Smooth-turning single-lever for quick and precise control of temperature and stream strength. Quality Durable disc cartridge provides leak-free operation. Corrosion- and rust-resistant body ensure this faucets longevity. Installation and Specifications This faucet can be installed one way. Mount directly through countertop with single-hole, centerset hole pattern. Lead-free certified. 1-hole install. 1/2-inch compression fittings.