34" x 34" Cube Core Eggcrate Return Air Grille 2-Way 75"H – fits a 10"

75"H – fits a 10" X 8" duct opening

+ Product Details Size - 10"w X 36"h is the size for the duct opening measurement only

Designed for a 1" thick filter

Rust-Free Aluminum - Made from strong

The included eight-tumbler lock and supplied key provide secure access

34" x 34" Cube Core Eggcrate Return Air Grille 2-Way 75"H – fits a 10"+ Product Details Size 34" x 34" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 35. 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 electric