Photo 1 of Fits 20x30 Duct Opening | Steel Return Air Grille by Handua | Vent Cover Grill for Sidewall and Ceiling | White | HVAC Cold Air Intake Grille | Outer Dimensions: 21.75"W X 31.75"H 1 20"W x 30"H [Duct Opening]

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Photo 1 of Fits 20x30 Duct Opening | Steel Return Air Grille by Handua | Vent Cover Grill for Sidewall and Ceiling | White | HVAC Cold Air Intake Grille | Outer Dimensions: 21.75"W X 31.75"H 1 20"W x 30"H [Duct Opening]Photo 2 of Fits 20x30 Duct Opening | Steel Return Air Grille by Handua | Vent Cover Grill for Sidewall and Ceiling | White | HVAC Cold Air Intake Grille | Outer Dimensions: 21.75"W X 31.75"H 1 20"W x 30"H [Duct Opening]