10" x 32" [Duct Opening] Aluminum Return Air Grille | Cube Core Rust Proof Eggcrate Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 11.75" X 33.75" for 10x32 and 32x10 Duct Vent 10"W x 32"H [Duct Opening]
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10" x 32" [Duct Opening] Aluminum Return Air Grille | Cube Core Rust Proof Eggcrate Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 11.75" X 33.75" for 10x32 and 32x10 Duct Vent 10"W x 32"H [Duct Opening]