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![Photo 1 of 30"W x 12"H [Duct Opening Measurements] Steel Return Air Grille (HD Series) Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 31.75"W X 13.75"H for 30x12 Duct Opening](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1009886541%2FYr8LQZ8t76gpXTP9O_-vT.jpg?alt=media&token=1d0225fb-1d84-47fc-ae97-14b58b4658ac)
![Photo 1 of 30"W x 12"H [Duct Opening Measurements] Steel Return Air Grille (HD Series) Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 31.75"W X 13.75"H for 30x12 Duct Opening](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1009886541%2FPuU7oU2R75xWWUWUPG-CN.jpg?alt=media&token=72e988b7-8543-4b79-8ae2-cd30de1bce48)
![Photo 3 of 30"W x 12"H [Duct Opening Measurements] Steel Return Air Grille (HD Series) Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 31.75"W X 13.75"H for 30x12 Duct Opening](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1009886541%2FS1itfNamvx48d6CU2cAg4.jpg?alt=media&token=e192064a-12c5-4a4a-9d1a-6156917149d1)