This heavy-duty, 1.2mm stainless steel cover features a natural resistance to corrosion making it an excellent choice for applications where food is present as well as water treatment plants and correctional facilities. Available for flush mount (STI-8200-SS) or with a conduit spacer for surface mount (STI-8230-SS, shown) applications. Easy to install, it helps assure the smoke detector will remain operational where vandalism and accidental damage are causing false fire alarms or high maintenance costs.