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![Photo 1 of Howeall 16"W x 12"H [Duct Opening Size] Steel Return Air Grille, Air Return Vent Cover for Ceiling and Sidewall - HVAC Air Vent Covers - [Outer Dimensions: 17.75"W x 13.75"H]](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1048912388%2FZ_sZ3FCGNFHQ2ZAby1sma.jpeg?alt=media&token=2bf405a8-88fa-4b08-8fa2-e5e80d7b23e5)
![Photo 1 of Howeall 16"W x 12"H [Duct Opening Size] Steel Return Air Grille, Air Return Vent Cover for Ceiling and Sidewall - HVAC Air Vent Covers - [Outer Dimensions: 17.75"W x 13.75"H]](https://images-na.ssl-images-amazon.com/images/I/71KfFXAbQqL.jpg)