24"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 7.25"H] Height_16in Easy to install and durable 4 X 12 Is CRFG2028 Width_14in

Easy to install and durable

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 6" X 6" X 4"

Applications – 30 Gauge thick & made of thick & durable galvanized sheet metal - used for HVAC system duct work in any building or home including: round exhaust air duct systems for dryers

+ Product Details Size – 12"w X 30"h is the size for the duct opening measurement only

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24"W X 6"H [Duct Opening] Linear Aluminum Clip On Bar Return Air Grille [Outer Dimensions: 25.25"W x 7.25"H] Height_16in Easy to install and durable 4 X 12 Is CRFG2028 Width_14in Easy to install and durable + Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 6" X 6" X 4"