8" X 4" Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall or Ceiling - Grille Register - High Airflow - Black w12h12 Use appropriate fittings and avoid

Use appropriate fittings and avoid using excessive force when tightening connections

+ Product Details Size - The listed 10" diameter refers specifically to the size of the duct opening

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Upgrade your HVAC system with a high-quality aluminum return grille designed for a clean

8" X 4" Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall or Ceiling - Grille Register - High Airflow - Black w12h12 Use appropriate fittings and avoid+ Product Details Size 8"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 875" width X 6" height. High Quality High quality steel construction, no scuff powder coat durable finish, smooth, shiny, scratch resistant, no sharp edges, 2 recessed screw holes on each side with screws included, screws same color as vent cover, easy installation. Adjustable airflow control Adjustable airflow