Get lasting performance and luster from Zurn's AquaSpec Laboratory Faucet. 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 Z826B4-XL is a single-hole faucet with a 5 3/8-inch swing or stationary gooseneck spout. It has two vandal-resistant, color-coded 4-inch metal wrist blade handles and a polished chrome-plated finish. The Z826B4-XL comes with a standard 2.2 gpm pressure-compensating aerator. Alternate flow rates are as low as a water-saving 0.5 gpm with pressure-compensating spray or laminar flow outlets and vandal-resistant options. AquaSpec is a high-performing, durable solution for lab faucet applications.