Smoke Detector Guard, Open Back, Indoor, Color White, Material Steel, Mounting Surface, Width 8 1/4 in, Depth 6 in, Height 8 1/4 in, Diameter 8 1/4 in, For Use With Smoke Detectors, Operating Temp. -40 Degrees to 250 Degrees F, Standards MEA Approved, UL Listed, Features Guard Helps Protect Against Vandalism and Damage, Includes Mounting Hardware. This item has been restricted from sale in the following state (s): []