EIA compliant 19" ready-to-assemble equipment rack shall be Middle Atlantic Products model # ERK-4425KD. Overall dimensions of rack shall be 81-1/8" [2061mm] H x 22" [559mm] W x 25" [635mm] D. Useable height shall be 44 rackspaces, useable depth shall be 23.47" [596mm]. Weight capacity shall be 1,000 lbs. [453kg]. Rack shall be constructed of the following materials: top and bottom shall be 14-gauge steel, horizontal braces shall be 16-gauge steel welded to integral structural side panels of 16-gauge steel giving an 1/8" [3mm] thick structure, all structural elements shall be finished in a durable black powder coat. Rack shall include a locking, latching rear door. Rack shall come equipped with one pair of 11-gauge steel rackrail with tapped 10-32 mounting holes in universal EIA spacing, black e-coat finish and numbered rackspaces. Rack shall include solid locking rear door standard, solid side panels with vertical slotted vent pattern at top and bottom and laser knockouts for cable pass-through. Top and bottom of rack shall feature vertical slotted vent pattern. Rack shall have a removable rear knockout panel with 1/2", 3/4", 1" and 1-1/2" electrical knockouts and BNC knockouts for UHF/VHF antennas installed in top. Grounding and bonding stud shall be 1/4-20 threaded, installed in base of enclosure. Rack shall be UL Listed in the US and Canada. ERK-4425KD shall be GREENGUARD Indoor Air Quality Certified for Children and Schools. ERK-4425KD shall be RoHS EU Directive 2002 / 95 / EC compliant. ERK-4425KD shall be manufactured by an ISO 9001 and ISO 14001 registered company. Rack shall be warrantied to be free from defects in material or workmanship under normal use and conditions for the lifetime of the product.