Sandwich Style High Temp Round Duct, DUCTMATE, Mfr# GRDR8414F2GA

Duct Access Door, Door Height 4 in, Door Shape Rectangular, Door Thickness 1 1/8 in, Door Width 8 in, Fire Rating Not Rated, For Nominal Duct Diameter 12 in, 13 in, 14 in, Hinge Style None, Insulation Material Not Applicable, Latch Type Thumbscrews, Material Thickness 22 ga, Maximum Temperature Rating 2,300 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