Straight Register Boot - 12" X 4" X 6" Round Mounting Bracket + Product Details Size -

+ Product Details Size - 20"w X 18"h X 2"d (for duct opening measurement only)

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to Ensure Perfect Smooth Finish

+ Product Details Size - 25"w X 4"h is the size for the duct opening measurement only

Additionally

Straight Register Boot - 12" X 4" X 6" Round Mounting Bracket + Product Details Size -+ Product Details Size & Compatibility The size of galvanized sheet metal straight floor boot is 12" X 6" X 4". It is compatible with 4" duct Superior Quality Made in the USA. Our straight register boot is made of high quality galvanized steel metal for durability and rust prevention. Applications The straight boot is used for the transition from round pipe or insulated flex duct to register or grille + Product Description If you are looking for a