22"W x 12"H [Duct Opening Size] Steel Return Air Grille (AGC Series) Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 23.75"W X 13.75"H for 22x12 Duct Opening 22"W x 12"H [Duct Opening]
1/4
22"W x 12"H [Duct Opening Size] Steel Return Air Grille (AGC Series) Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 23.75"W X 13.75"H for 22x12 Duct Opening 22"W x 12"H [Duct Opening]