Specify MRK series when you need an enclosure built to perform like a workhorse. Its rugged, space-saving design and high seismic load rating make it a favorite of installing contractors, particularly on larger-scale multi-bay jobs. The MRK series also offers seismic certification and open or removable sides. Fully welded construction for strength. Racks gang together when fully loaded. Standard front and rear adjustable 10-32 threaded rack rail with numbered spaces. Includes standard configurable rear door and solid front door. Comes configured with integrated fan top, vent blockers, and rear door vent. Includes LACE-OP lacer strip, 4 straight and 2 offset lacer bars, 12 Velcro straps. Includes 20A, 20 outlet corded power strip (PDT-2020C-NS). Includes 10-32 threaded rack screws, 100 qty, and 4 leveling feet. Includes side panels.