12" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Aluminum actual front end outer dimensions

actual front end outer dimensions are approximately 14 5/8" width X 32 5/8" height -

+ Product Details Size & Compatibility – The 4" stick-on Side take-off is compatible with duct 4"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 12" OR 12" x 20" duct opening (measured at the opening)

Our Aluminum Ceiling Diffuser is not only a design marvel but also a practical choice for your HVAC system

12" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Aluminum actual front end outer dimensions+ Product Details Size 12"w X 10"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 12. 5"h] Actual Filter Size 11 3 4"w x 9 3 4" x 1" High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location Sidewall and ceiling. Design Heavier gauge than needed,