12" x 12" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades Material_Steel provide precise damper control and

provide precise damper control and superior air dispersion

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Actual Front End Outer Dimensions Are 34" Width X 10" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

actual front end outer dimensions are approximately 8

12" x 12" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades Material_Steel provide precise damper control and+ Product Details Size 12" X 12" 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