Photo 1 of 14 x 10 Vent Cover (Duct Opening Size), Air Return Vent Cover, AC Vent Cover, Cold Air Return Vent Cover, Flat Return Air Grilles, Outer Dimensions:15.75"W x 11.75"H (14"W x 10"H, Duct Opening)

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Photo 1 of 14 x 10 Vent Cover (Duct Opening Size), Air Return Vent Cover, AC Vent Cover, Cold Air Return Vent Cover, Flat Return Air Grilles, Outer Dimensions:15.75"W x 11.75"H (14"W x 10"H, Duct Opening)Photo 2 of 14 x 10 Vent Cover (Duct Opening Size), Air Return Vent Cover, AC Vent Cover, Cold Air Return Vent Cover, Flat Return Air Grilles, Outer Dimensions:15.75"W x 11.75"H (14"W x 10"H, Duct Opening)Photo 3 of 14 x 10 Vent Cover (Duct Opening Size), Air Return Vent Cover, AC Vent Cover, Cold Air Return Vent Cover, Flat Return Air Grilles, Outer Dimensions:15.75"W x 11.75"H (14"W x 10"H, Duct Opening)