6" x 34" or 34" x 6" Cube Core Eggcrate Return Air Grille flat stamped steel back blades made of black

back blades made of black plastic for reduced air noise and discreet appearance

+ Product Details Size - 34"w X 12"h is the size for the duct opening measurement only

+ Product Details Size – 12" x 34" or 34" x 12" is the size for the duct opening measurement only

Its generous size and universal design ensure a perfect fit for a wide range of thermostat models

+ Product Details Size – 26"w X 34"h is the size for the duct opening measurement only

6" x 34" or 34" x 6" Cube Core Eggcrate Return Air Grille flat stamped steel back blades made of black+ Product Details Size 6" x 34" or 34" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 35. 75". 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%, reducing