Ductmate Sandwich Style Insulated Round Duct GRDRI846GA

Duct Access Door, Door Height 4 in, Door Shape Rectangular, Door Thickness 7/8 in, Door Width 8 in, Fire Rating Not Rated, For Nominal Duct Diameter 5 in, 6 in, Hinge Style None, Insulation Material Fiberglass, Latch Type Knobs, Material Thickness 22 ga, Maximum Temperature Rating 200 Degrees F, Mounting Stud Length 2 in, Number of Mounting Stud 2, Observation Port Height Not Applicable, Observation Port Material Steel, Observation Port Width Not Applicable, Rough Opening Height 3 7/8 in