Photo 1 of HVAC OV 2pack 6" Inch (Grille Dimensions) Black Plastic Round Vent Cover - HVAC Air Return Grille - Built-in Protection Screen - 7.4" Inch (External Dimensions)

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Photo 1 of HVAC OV 2pack 6" Inch (Grille Dimensions) Black Plastic Round Vent Cover - HVAC Air Return Grille - Built-in Protection Screen - 7.4" Inch (External Dimensions)Photo 2 of HVAC OV 2pack 6" Inch (Grille Dimensions) Black Plastic Round Vent Cover - HVAC Air Return Grille - Built-in Protection Screen - 7.4" Inch (External Dimensions)