7" 90 Degree Flat Oval Elbow 7in diameter + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 18" or 18" x 6" duct opening (measured at the opening)

[Outer Dimensions: 12

diagonally feed it through the square hole

For added versatility

Actual Filter Size – 47 3/4"w x 23 3/4" x 1"

7" 90 Degree Flat Oval Elbow 7in diameter + Product Details Perfect Fit+ Product Details Size & Compatibility 7" 90 Degree Flat Oval Elbow is compatible with duct 7" Superior Quality Made in the USA. Our galvanized duct end boot is made of high quality galvanized sheet metal with crimped ends (snap lock design) for easy fitting and secure connection Applications The vertical transition duct 90 degree elbows are used for changing the vertical direction of the rectangular duct. They are fitting to use when needing to make