Middle Atlantic Products, Inc. is a unique sheet metal fabrication company, which employs advanced, highly specialized technology to produce innovative equipment mounting solutions for the broadcast, communications, data, residential, pro audio, and video markets. Its extensive selection of standard products includes steel rack enclosures, data cabling management products, audio and video studio furniture, and related accessories. All MW series tops include a 2-rackspace removable service plate for WRK-XX-27 allowing cable bundle entry or use of rack panels. The MW-4FT features laser knockouts for mounting up to four 4-1/2" fans.