Straight Register Boot - 10" X 4" X 4" Round 4in diameter + Product Details Size –

+ Product Details Size – 20"w X 50"h is the size for the duct opening measurement only

Universal size

+ Product Details Size - 8"w X 10"h X 2"d (for duct opening measurement only)

+ Product Details Size - 6"w X 14"h X 2"d (for duct opening measurement only)

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Straight Register Boot - 10" X 4" X 4" Round 4in diameter + Product Details Size –+ Product Details Size & Compatibility The size of galvanized sheet metal straight floor boot is 10" X 4" 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