Photo 1 of Handua 22"W x 16"H [Duct Opening Size] Steel Return Air Grille | Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 23.75"W X 17.75"H for 22x16 Duct Opening 22"W x 16"H [Duct Opening]

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Photo 1 of Handua 22"W x 16"H [Duct Opening Size] Steel Return Air Grille | Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 23.75"W X 17.75"H for 22x16 Duct Opening 22"W x 16"H [Duct Opening]