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 Enclosed magnetic ballast.Flush-mounted fasteners.Formed metal housingCast aluminum end caps.Field adjustable housing.Locks in desired orientation.95% reflective aluminum reflector.HID and tungsten halogen versions have tempered glass lens.Double, triple and quad pendants have 14 gauge steel yoke brackets and 5/8" stems.Mounts to standard 4" octagonal junction boxHousing and mounting components painted to match, unless otherwise specified.Thermoset polyester powder coat finish standard.Remote ballast in HID versions.Thermally protected ballast.Class "C" sound rated ballast.UL listed (US and Canada) for Wet Locations