7" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Side Out Ceiling Register Box + Product Details Size & 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 12" X 8" X 8"

providing a perfect fit for most standard thermostats

+ Product Details Size & Compatibility – The 7" round quadrant volume damper is compatible with duct 7"

+ Product Details Size – 6"w X 10"h is the size for the duct opening measurement only

+ Product Details Size – 22"w X 36"h is the size for the duct opening measurement only

7" Insulated Aluminum Flexible HVAC Duct R 6.0 – 25' Length Side Out Ceiling Register Box + Product Details Size & 4 X 12 Is CRFG2028 Width_14in + Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 12" X 8" X 8" providing a perfect fit for most standard thermostats