14" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Insulated Line Set + Product Details Size -

+ Product Details Size - 32"w X 36"h is the size for the duct opening measurement only

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Actual Filter Size – 23 3/4"w x 23 3/4" x 1"

+ Product Details Size – 14"w X 30"h is the size for the duct opening measurement only

Filter Size - 11

14" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Insulated Line Set + Product Details Size -+ Product Details Size 14"w X 14"h is the size for the duct opening measurement only, [Outer Dimensions: 16. 5"w X 16. 5"h] Actual Filter Size 13 3 4"w x 13 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,