8" Oval to Round End Boot sidewall + Product Details Size -

+ Product Details Size - 8"w X 30"h is the size for the duct opening measurement only

+ Product Details Size – Duct end cap is 12" X 10" | 26-gauge galvanized steel end cap

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+ Product Details Size - The listed 4" diameter refers specifically to the size of the duct opening

8" Oval to Round End Boot sidewall + Product Details Size -+ Product Details Size & Compatibility The 8" galvanized sheet metal round to oval end boot is compatible with duct 8" Superior Quality Made in the USA. Our galvanized duct elbow is made of high quality galvanized sheet metal with a crimped round end for easy fitting and secure connection. Applications This oval to round elbow provides a transition from a round pipe or insulated flex duct to oval ducting. The round side is crimped for easy insertion,