Middle Atlantic Security Cover with Hinged Plexi Door - Fixed - 4RU - SECL4General Information Manufacturer: Legrand Group Manufacturer Part Number: SECL4 Manufacturer Website Address: http: www. legrand. us Brand Name: Middle Atlantic Product Name: 4RU Fixed Security Cover with Hinged Plexi Door Marketing Information: Incorporating a steel frame and a key locked 3 16in smoked gray plexiglass door, our SECL Series locking security covers are offered in 2, 3, 4, and 8 rackspace sizes. Each unit's depth of 1 1 2in easily