Smoke Detector Guard, Open Back, Indoor, Color White, Material 9 ga Coated Steel Wire, 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 UL Listed, Includes Mounting Hardware. This item has been restricted from sale in the following state (s): []