10" x 10" 2-WAY ALUMINUM BAR CEILING DIFFUSER - Vent Duct Cover - With Opposing Dampers via Lever Control fixed bar Actual Filter Size – 21

Actual Filter Size – 21 3/4"w x 11 3/4" x 1"

actual front end outer dimensions are approximately 16 5/8" width X 26 5/8" height -

75" Width X 11

75" Deep - Will Fit All Garrage Doors - Insulated And Non Insulated Garrage Doors [The Hole In The Door SHould Be: 15 ¼ x 9 ¾]

+ Product Details Size - 26"w X 16"h is the size for the duct opening measurement only

10" x 10" 2-WAY ALUMINUM BAR CEILING DIFFUSER - Vent Duct Cover - With Opposing Dampers via Lever Control fixed bar Actual Filter Size – 21+ Product Details Size 10" X 10" is the size for the duct opening measurement only, actual front end outer dimensions are 3". Design Equipped with lever for full airflow control; back blades made of black plastic for reduced air noise and discreet appearance; "Opposing" back blades, ensuring they don't overlap, provide precise damper control and superior air dispersion. High Quality Aluminum The premium durable aluminum will never rust and it will