8" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w28h28 + Product Details Size -

+ Product Details Size - 36"w X 20"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 8"h is the size for the duct opening measurement only

this grille boasts a natural warmth and fine finish

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 20" OR 20" X 16" duct opening (measured at the opening)

8" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w28h28 + Product Details Size -+ Product Details Size 8"w X 8"h is the size for the duct opening measurement only, [Outer Dimensions: 10. 5"w X 10. 5"h] Actual Filter Size 7 3 4"w x 7 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,