Description Echo Round 16.5 housing is constructed of solid or perforated steel. Lamping up to 1000 watt metal halide makes it ideal for large spaces such as transportation and sport facilities. Flexibility can be achieved through Wall, Pendant and Pier mounted configurations. Features Mounts to standard 4" octagonal junction boxEnclosed magnetic ballast.Additional mounting structure and hardware required (by others).Formed perforated cold- rolled steel construction.Cast aluminum end caps.Field adjustable housing.Locks in desired orientation.95% reflective aluminum reflector.HID and tungsten halogen versions have tempered glass lens.Formed steel yoke bracket(s).Aluminum cover fits over a standard 4" octagonal junction box.Housing and mounting components painted to match, unless otherwise specified.Thermoset polyester powder coat finish standard.Remote ballast in HID versions.UL listed (US and Canada) for damp location. (Not recommended for exterior use)Formed metal housing