Environmental Containment Unit, Number of Doors 4, Door Height 83-1/2 in, Door Width 48 in, Window Material Vinyl, Number of Windows 4, Window Height 40 in, Window Width 14 in, Negative Air Port Dia. 12-1/2 in, Vacuum Port Dia. 3 1/2 in, Expanded Length 60 in, Expanded Width 31 in, Height 10 ft 6 in, Length 12 in, Width 48 in, Collapsed Height 66 in, Collapsed Length 14 in, Collapsed Width 14 in, Double Reinforced Polypropylene Floor, Frame Material Powder Coated Steel