20" X 40" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Aluminum Adjustable Curved Blade Actual Filter Size – 9

Actual Filter Size – 9 3/4"w x 21 3/4" x 1"

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actual front end outer dimensions are approximately 26 5/8" width X 30 5/8" height

+ Product Details Size – 10"w X 32"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 8" OR 8" x 26" duct opening (measured at the opening)

20" X 40" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Aluminum Adjustable Curved Blade Actual Filter Size – 9+ Product Details Size 20"w X 40"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 42. 5"h] Actual Filter Size 19 3 4"w x 39 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,