10" x 12" or 12" x 10" Cube Core Eggcrate Return Air Grille 12in diameter actual front end outer dimensions Compatible with Duct 4" Product Details Size 32 LO246

actual front end outer dimensions are approximately 36 5/8" width X 32 5/8" height

Design – This airflow control component are made to connect to a drop ceiling lay-in diffuser grille

actual front end outer dimensions are approximately 26 5/8" width X 28 5/8" height

+ Product Details Size – 8" x 12" or 12" x 8" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 27 5/8" height

10" x 12" or 12" x 10" Cube Core Eggcrate Return Air Grille 12in diameter actual front end outer dimensions Compatible with Duct 4" Product Details Size 32 LO246 actual front end outer dimensions are approximately 36 5 8" width X 32 5 8" height Design – This airflow control component are made to connect to a drop ceiling lay in diffuser grille