6" x 8" or 8" x 6" Cube Core Eggcrate Return Air Grille Round Damper Ring + Product Details Size -

+ Product Details Size - 26"w X 36"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 32 5/8" width X 30 5/8" height

Beige Metal

+ Product Details Size – 28"w X 10"h is the size for the duct opening measurement only

High Quality – Solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

6" x 8" or 8" x 6" Cube Core Eggcrate Return Air Grille Round Damper Ring + Product Details Size -+ Product Details Size 6" x 8" or 8" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" width X 9. 75" height. High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges.. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%,