US$ 90.90
diagonally feed it through the square hole
+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 16" or 16" x 8" duct opening (measured at the opening)
+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 18" or 18" x 6" duct opening (measured at the opening)
For added versatility
7" 90 Degree Flat Oval Elbow 7in diameter diagonally feed it through the+ 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
US$ 90.90
US$ 150.00
US$ 18.75
US$ 47.98
US$ 20.89