For demanding commercial washrooms, Zurn's AquaSpec deck-mount lavatory faucet is a clean choice. Constructed of a durable, lead-free cast brass body, AquaSpec faucet valves contain a unique, heavy-duty quarter-turn ceramic disc cartridge. The cartridge is so durable, you can expect it to last up to one million cycles… and it's backed by our limited lifetime warranty. The 4-inch centerset Z812B4-XL-FC features a 5 3/8-inch stationary or swinging gooseneck spout. It has integral shanks, two vandal-resistant, color-coded 4-inch wrist blade handles, and a polished chrome-plated finish. The Z812B4-XL-FC comes with a 2.0 gpm laminar flow control in the base of the spout, allowing for plenty of water flow with no added air. Whether you're outfitting a commercial restroom, a healthcare facility, or any other type of lavatory, its durability and customizable options make this model a perfect, long-lasting solution.