9-ga wire cage protects horn/strobe/spkr
Wire Cage, Indoor, Outdoor, Color Red, Material 9 Gauge Steel With Polyester Coating, Mounting Wall, Width 6 1/8 in, Depth 3 3/8 in, Height 7 3/8 in, For Use With Strobe, Horn, Speaker, Appliance, Standards UL and cUL, Includes Mounting Hardware.