10" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Grilles accordion-content { display: block

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+ Product Details Size – 6"w X 6"h is the size for the duct opening measurement only

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+ Product Details Size - 8"w X 30"h is the size for the duct opening measurement only

10" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Grilles accordion-content { display: block+ Product Details Size 10"w X 10"h is the size for the duct opening measurement only, [Outer Dimensions: 12. 5"w X 12. 5"h] Actual Filter Size 9 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,