SH Series Zero Rackspace Shelf shall be Middle Atlantic Products model # SH-WR. Shelf shall fit Middle Atlantic Products WR-xx-32 Series rack. Shelf shall mount to the mounting holes on the sides of the enclosure rackrail. Shelf shall be installed at four mounting locations using the included hardware. Shelf shall feature a 250 lb. weight capacity with a 22-3/4" useable depth. Shelf shall be constructed of 16-gauge steel and shall be finished in a durable, flat black powder coat. Shelf shall include two brackets for securing component. Zero rackspace shelf shall be GREENGUARD Indoor Air Quality Certified for Children and Schools. Zero rackspace shelf shall be RoHS EU Directive 2002 / 95 / EC compliant. Zero rackspace shelf shall be manufactured by an ISO 9001 and ISO 14001 registered company. Zero rackspace shelf shall be warrantied to be free from defects in material or workmanship under normal use and conditions for the lifetime of the product.