32" x 36" or 36" x 32" Cube Core Eggcrate Return Air Grille Compatible With Duct 10in of up to 300m3/h

of up to 300m3/h

Design – Removable door/face for easy filter change & cleaning - uses a 1" thick filter

875" width X 10" height

actual front end outer dimensions are approximately 34 5/8" width X 34 5/8" height

32" x 36" or 36" x 32" Cube Core Eggcrate Return Air Grille Compatible With Duct 10in of up to 300m3/h+ Product Details Size 32" x 36" or 36" x 32" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 33. 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