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 Includes 64% open front door, 79% open split rear door, 64% open top Includes LACE-OP lacer strip, 4 straight & 2 offset lacer bars, 12 Velcro straps Includes one each 1 space and 2 space brush grommet panel, and leveling feet Includes 20A, 20 outlet corded power strip (PDT-2020C-NS) Includes front and rear cage nut rackrail and one pair cage nut Z-rail adapters Includes 100 qty 6mm threaded cage nuts and rack screws Includes 50 qty 10-32 threaded cage nuts and rack screws Includes side panels