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![View 1 of 24"W x 12"H [Duct Opening Measurements] Steel Return Air Grille (AGC Series) Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 25.75"W X 13.75"H for 24x12 Duct Opening](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1008515978%2F1Hv2phmQvXIxaFkAsDPUX.jpg?alt=media&token=efe01d68-292c-44ff-b25b-e1dc31dc3955)
![View 2 of 24"W x 12"H [Duct Opening Measurements] Steel Return Air Grille (AGC Series) Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 25.75"W X 13.75"H for 24x12 Duct Opening](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1008515978%2F0Ya6YwY4DUpDkJ_pAwy-2.jpg?alt=media&token=632fbbe6-7a89-415f-9089-7f01f772b893)
![View 3 of 24"W x 12"H [Duct Opening Measurements] Steel Return Air Grille (AGC Series) Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 25.75"W X 13.75"H for 24x12 Duct Opening](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1008515978%2FlcmTwWANdwt5BnoMvAGLx.jpg?alt=media&token=130437d9-d12f-4c6b-9bb9-1a23a08cff32)