The slim open frame wall-mount rack shall be Lowell # WXR-1218 with overall dimensions of 21.28"H x 18.00"D x 19.21"W. It shall provide 12 rack units of panel space. Rack construction shall be 14-gauge steel top/base with (1 pr.) 11-gauge steel corner post rails tapped 10-32 on E.I.A. spacing, with smooth black powder epoxy finish. The rack shall be manufactured in the U.S.A. with certified U.S. steel. It shall have a load capacity of 150 lbs. when properly mounted. It shall ship unassembled.