Lowell LSER-4427 Seismic Rated Enclosed AV Rack with Rear Door - 44U x 27"DThe seismic certified, stand alone floor rack is a fully welded 16 gauge steel rack that's reinforced at all load bearing junctions. It features adjustable rails and corner brackets in the base. It's P. E. certified (IBC 2009, CBC 2010, OSHPD 2010) for two categories of seismic qualifications including Life Safety Essential Systems (Ip=1. 5) and Anchorage by code (Ip=1. 0). The rack includes a rear door with key lock. Optional front door (LFD Series,