Delta 28C9LH-AC Commercial Chrome Wall-Mount Service Sink Faucet w/Hook. Delta's Line of Commercial Products are an industry leader in the Bathroom Faucets, Shower Fixtures and Bathroom Accessories. The large line of Commercial Grade Electronic and Battery Powered Faucets are designed to withstand the every day wear and tear, and last for years to come. These products are ideal for hospitals, schools, and other high traffic and high use applications. This Delta 28C9LH-AC Commercial Wall Mount Service Sink Faucet with Top Brace is part of the Service Sink Faucet collection, and comes in a beautiful Chrome finish. This wall-mounted service faucet features a cast brass construction, a top brace for additional support, a vacuum breaker that prevents back flow, ceramic disc valves for a drip-free performance, integral supply stops, offset shanks with integral check valves that can be mounted with 6" to 10" centers, and vandal-resistant lever handles.