Photo 1 of  Handua 20"W x 8"H [Duct Opening Size] Steel Return Air Grille | Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 21.75"W X 9.75"H for 20x8 Duct Opening 2 20"W x 8"H [Duct Opening]

Double tap image to zoom

Photo 1 of  Handua 20"W x 8"H [Duct Opening Size] Steel Return Air Grille | Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 21.75"W X 9.75"H for 20x8 Duct Opening 2 20"W x 8"H [Duct Opening]Photo 2 of  Handua 20"W x 8"H [Duct Opening Size] Steel Return Air Grille | Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 21.75"W X 9.75"H for 20x8 Duct Opening 2 20"W x 8"H [Duct Opening]