Description Echo Round 9.0 is designed to address larger, high-ceiling spaces such as atriums, gymnasiums, libraries, natatoriums and open offices. Its vast lamping range and premium light control provides sufficient and visually uniform illumination to surfaces. Round's proportionate size and basic shape integrates seamlessly into a space. Features Thermoset polyester powder coat finish standard.Extruded aluminum housing.Fluorescent versions utilize a gasketed snap-tight acrylic lens.Cast aluminum end caps.Field adjustable housing.Fluorescent versions have 94% reflective superwhite reflector.Cast aluminum canopies.Steel cover fits over standard 4" octagonal junction box.Black weatherproof power cord with watertight fittings.Housing and mounting components painted to match, unless otherwise specified.Integral electronic ballast.UL listed (US and Canada) for Wet LocationsMeets NEC 410.73 double-ended, fluorescent lamp ballast disconnect requirements.