Duct Access Door, Door Height 6 in, Door Shape Rectangular, Door Thickness 7/8 in, Door Width 10 in, Fire Rating Not Rated, For Nominal Duct Diameter Not Applicable, Hinge Style None, Insulation Material Not Applicable, Latch Type Thumbscrews, Material Thickness 22 ga, Maximum Temperature Rating 200 Degrees F, Mounting Stud Length 1 1/2 in, Number of Mounting Stud 2, Observation Port Height 2 1/8 in, Observation Port Material Steel, Observation Port Width 4 in, Rough Opening Height 6 in. This item has been restricted from sale in the following state (s): []