10" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Drop Ceilings / Aluminum actual front end outer dimensions

actual front end outer dimensions are approximately 24 5/8" width X 18 5/8" height

or HVAC system (actual size: 9

ventilation

+ Product Details Size – 16"w X 20"h or 20" X 16" is the size for the duct opening measurement only

10" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Drop Ceilings / Aluminum actual front end outer dimensions+ Product Details Size 10"w X 20"h is the size for the duct opening measurement only, [Outer Dimensions: 12. 5"w X 22. 5"h] Actual Filter Size 9 3 4"w x 21 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,