Photo 1 of [2 Pack] Fits 12x12 Duct Opening | Steel Return Air Grille by Handua | Vent Cover Grill for Sidewall and Ceiling | White | HVAC Cold Air Intake Grille | Outer Dimensions: 13.75"W X 13.75"H 2 12"W x 12"H [Duct Opening]

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Photo 1 of [2 Pack] Fits 12x12 Duct Opening | Steel Return Air Grille by Handua | Vent Cover Grill for Sidewall and Ceiling | White | HVAC Cold Air Intake Grille | Outer Dimensions: 13.75"W X 13.75"H 2 12"W x 12"H [Duct Opening]Photo 2 of [2 Pack] Fits 12x12 Duct Opening | Steel Return Air Grille by Handua | Vent Cover Grill for Sidewall and Ceiling | White | HVAC Cold Air Intake Grille | Outer Dimensions: 13.75"W X 13.75"H 2 12"W x 12"H [Duct Opening]