5" 90 Degree Flat Oval Elbow Blade and with a built-in back

and with a built-in back 1/2" mesh they also protect you from annoying rodents like mice

Crafted with SK5 Japanese Alloy Steel V Blade for a one-point cut

The total outer size of this grille is the listed size plus plus 2 and 5/8"

Actual Filter Size – 9 3/4"w x 27 3/4" x 1"

Filter Size - 23

5" 90 Degree Flat Oval Elbow Blade and with a built-in back+ Product Details Size & Compatibility 5" 90 Degree Flat Oval Elbow is compatible with duct 5" 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