Anteroom Containment Replacement Envelope, Number of Doors 3, Door Height (2) 90 in/(1) 80 in, Door Width (2) 45 in/(1) 22 in, Window Material Clear Plastic, Number of Windows 4, Window Height 37 in, Window Width (2) 22 in/(2) 16 in, Negative Air Port Dia. 12 in, Vacuum Port Dia. 8 in, Expanded Length 120 in, Expanded Width 29 in, Height 21 1/4 in, Length 14 in, Width 18 1/4 in, Collapsed Height 6 in, Collapsed Length 60 in, Collapsed Width 29 in, 80 in x 40 in Flange, 60 in x 29 in Floor