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![Photo 1 of 30"W x 6"H [Duct Opening Measurements] Steel Return Air Grille (HD Series) Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 31.75"W X 7.75"H for 30x6 Duct Opening Duct Opening Size: 30"x6"](https://m.media-amazon.com/images/I/71CxA-G-D4L.jpg)
![Photo 2 of 30"W x 6"H [Duct Opening Measurements] Steel Return Air Grille (HD Series) Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 31.75"W X 7.75"H for 30x6 Duct Opening Duct Opening Size: 30"x6"](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1017263522%2FQJeZlvp_ed8VIdgOlyhjg.jpg?alt=media&token=fcaedc0c-7c89-46b0-a4e1-23d160d4536d)