10" x 10" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades w20h20 + Product Details Size -

+ Product Details Size - 4"w X 20"h is the size for the duct opening measurement only

Full Control – Full 190 degrees control of air direction vertically & horizontally

polished brass

Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening

Close For Winter To Prevent The Cold

10" x 10" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades w20h20 + 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