10" x 36" or 36" x 10" Cube Core Eggcrate Return Air Grille 14in diameter Design – Removable frame for

Design – Removable frame for easy filter change & cleaning - uses a 1" thick filter

Constructed from sturdy 20-gauge steel

Airflow – Easy unrestricted airflow for your HVAC system

actual front end outer dimensions are approximately 32 5/8" width X 16 5/8" height

Can be hooked up with our Butterfly Dampersfor precise airflow control

10" x 36" or 36" x 10" Cube Core Eggcrate Return Air Grille 14in diameter Design – Removable frame for+ Product Details Size 10" x 36" or 36" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 37. 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