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.