Photo 1 of Fits 12x10 Duct Opening Steel Adjustable Air Supply Grille by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 13.75" X 11.75" 12" x 10" Duct Size White

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Photo 1 of Fits 12x10 Duct Opening Steel Adjustable Air Supply Grille by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 13.75" X 11.75" 12" x 10" Duct Size White