Photo 1 of GREEN VENT - 6x4 Air Return Grille, Decorative Aluminum Air Vent Covers with Pre-Filter, Air Register Vent Covers for Home Ceiling & Wall, AC Vent Covers White, Ideal for Return Air Grilles (6"x4")

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Photo 1 of GREEN VENT - 6x4 Air Return Grille, Decorative Aluminum Air Vent Covers with Pre-Filter, Air Register Vent Covers for Home Ceiling & Wall, AC Vent Covers White, Ideal for Return Air Grilles (6"x4")Photo 2 of GREEN VENT - 6x4 Air Return Grille, Decorative Aluminum Air Vent Covers with Pre-Filter, Air Register Vent Covers for Home Ceiling & Wall, AC Vent Covers White, Ideal for Return Air Grilles (6"x4")