8" x 8" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Compatible with Duct 6" Installation of the vents will

Installation of the vents will eliminate the need to raise the door ensuring security and constant air flow and reduced heat transfer into attics and adjacent house walls

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Our grilles feature a durable powder-coat finish

How to Measure Your Vent Hole Before Ordering a Grille

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8" x 8" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Compatible with Duct 6" Installation of the vents will+ Product Details Size 8" X 8" 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 never