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![Photo 1 of 16" x 16" Cube Core Eggcrate Return Air Grille -[Outer Dimensions: 17.75 X 17.75] 16 x 16 Return Grille](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1017430271%2FfSONH-qXawCCD_oyyunT7.jpg?alt=media&token=6c716d6c-6396-4c5e-85fe-0a747baa5f91)
![Photo 1 of 16" x 16" Cube Core Eggcrate Return Air Grille -[Outer Dimensions: 17.75 X 17.75] 16 x 16 Return Grille](https://m.media-amazon.com/images/I/81bj3Ha-T-L.jpg)