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![Photo 1 of 16" x 20" or 20" x 16" Cube Core Eggcrate Return Air Grille - Aluminum Rust Proof - HVAC Vent Duct Cover - White [Outer Dimensions: 17.75 X 21.75] 16 x 20 Return Grille](https://m.media-amazon.com/images/I/81VloXU65LL.jpg)
![Photo 2 of 16" x 20" or 20" x 16" Cube Core Eggcrate Return Air Grille - Aluminum Rust Proof - HVAC Vent Duct Cover - White [Outer Dimensions: 17.75 X 21.75] 16 x 20 Return Grille](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1007092064%2FbyFczV-zcTHfItT0S6ng5.jpg?alt=media&token=5c563ee8-d9c9-4543-b05a-fc2965fd5299)