24" X 36" or 36" X 24" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 25.75 X 37.75] 10 Feet Long With a temperature range of 4 X 12 Is CRFG2028 Width_14in

With a temperature range of -4°F to 230°F

+ Product Details Size - 26"w X 12"h X 2"d (for duct opening measurement only)

providing additional safety and protection for your equipment and surroundings

+ Product Details Size & Compatibilty - The 9" to 8" round metal pipe reducer & increaser 30 gauge is compatible with duct 9" to 8"

+ Product Details Size - 16"w X 24"h is the size for the duct opening measurement only

24" X 36" or 36" X 24" Heavy Duty Floor Grille Fixed Blades Air Grille Brown [Outer Dimensions: 25.75 X 37.75] 10 Feet Long With a temperature range of 4 X 12 Is CRFG2028 Width_14in With a temperature range of 4°F to 230°F + Product Details Size 26"w X 12"h X 2"d (for duct opening measurement only)