EIA/TIA compliant 19" rackshelf with 5.5" depth shall be Middle Atlantic Products model # UMS1-5.5. UMS shelf shall be 1 rackspace (1.75") high. Weight capacity shall be 25 lbs. UMS shelf shall include 3/6" length flat head screws, 16 qty #4, and 4 qty #6, for the purpose of securing components to the shelf. UMS Shelf shall be GREENGUARD Indoor Air Quality Certified for Children and Schools. UMS shelf shall satisfy the requirements of RoHS EU Directive 2002/95/EC compliant. UMS shall be manufactured by an ISO 9001 and ISO 14001 registered company. UMS Shelf shall be warranted to be free from defects in material or workmanship under normal use and conditions for the lifetime of the product