10" x 10" 2-WAY ALUMINUM BAR CEILING DIFFUSER - Vent Duct Cover - With Opposing Dampers via Lever Control Fixed Blades with Damper + Product Details Size -

+ Product Details Size - 18"w X 36"h is the size for the duct opening measurement only

Actual Filter Size – 35 3/4"w x 33 3/4" x 1"

+ How To Measure A Grille Before You Buy Overall Size:

actual front end outer dimensions are 25" Width X 25" Height

+ Product Details Size - 30"w X 32"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 Blades with Damper + Product Details Size -+ 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