6" x 36" or 36" x 6" Cube Core Eggcrate Return Air Grille Supply Grille Our filter grille latch is

Our filter grille latch is easy to use on your fingers and requires no screwdriver to open

Design – Fixed Hinged for easy filter change & cleaning - uses a 1" thick filter

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 14" duct opening (measured at the opening)

Actual Filter Size – 11 3/4"w x 33 3/4" x 1"

6" x 36" or 36" x 6" Cube Core Eggcrate Return Air Grille Supply Grille Our filter grille latch is+ Product Details Size 6" x 36" or 36" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 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