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 41 in Window Width 19 in Negative Air Port Dia 12 in Vacuum Port Dia 8 in Expanded Length 120 in Expanded Width 29 in Height 9 in Length 14 in Width 28 1/2 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