Heavy Duty Steel Floor Vent with Beautiful Gray Matte Finish. Fits in 4 x 10 Duct Opening. Overall Dimension is 5.75 in Wide x 11.75 in Long For example: if the hole

For example: if the hole on the wall is 14" wide by 20" tall

it refers to the size of the "tongue"  so that it will fit in a 8"x8" hole

•The Listed size 12"x 6" is for inside duct opening measurement

Multi-shutter damper with easy handle to adjust desired among of air flow

Match the duct opening size with the listed size of 14”x 8”

Heavy Duty Steel Floor Vent with Beautiful Gray Matte Finish. Fits in 4 x 10 Duct Opening. Overall Dimension is 5.75 in Wide x 11.75 in Long For example: if the holeStyling and Durability: Immerse yourself in the epitome of quality with our floor registers, meticulously fashioned from heavy duty 18 gauge steel to deliver unparalleled strength. The premium gray matte finish not only introduces a touch of elegance but also ensures exceptional resistance against rust and corrosion. Revel in a lasting, reliable performance that enhances your home. Witness the seamless fusion of durability and style as our floor