Photo 1 of Fits 12x4 Duct Opening Steel Adjustable Air Supply Grille by Handua | Register Vent Cover Grill for Sidewall and Ceiling | Black | Outer Dimensions: 13.75" X 5.75"

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Photo 1 of Fits 12x4 Duct Opening Steel Adjustable Air Supply Grille by Handua | Register Vent Cover Grill for Sidewall and Ceiling | Black | Outer Dimensions: 13.75" X 5.75"Photo 2 of Fits 12x4 Duct Opening Steel Adjustable Air Supply Grille by Handua | Register Vent Cover Grill for Sidewall and Ceiling | Black | Outer Dimensions: 13.75" X 5.75"