Photo 1 of HVAC Premium 8''w x 4''h Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall or Ceiling - Grille Register - High Airflow - White [Outer Dimensions: 9.875''w X 6''h]

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Photo 1 of HVAC Premium 8''w x 4''h Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall or Ceiling - Grille Register - High Airflow - White [Outer Dimensions: 9.875''w X 6''h]