EIA/TIA compliant 19” half / third rack shelf with 10" depth shall be Middle Atlantic Products model # UTR1. Weight capacity shall be 25 lbs. UTR1 shall include two 2” x 10” hook & loop strips for component mounting and a generous vent pattern for superior air circulation. Contractor packs shall be available with twelve UTR1 rackshelves and shall be model # UTR1-RP12. UTR1 shall be GREENGUARD Indoor Air Quality Certified for Children and Schools. UTR1 shall be RoHS EU Directive 2002/95/EC compliant. UTR1 shall be manufactured by an ISO 9001 and ISO 14001 registered company. UTR1 shall be warrantied to be free from defects in material or workmanship under normal use and conditions for the lifetime of the product.