12" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES RV Mobile Home + Product Details Size -

+ Product Details Size - 36"w X 10"h X 2"d (for duct opening measurement only)

+ Product Details Size – 12"w X 12"h is the size for the duct opening measurement only

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+ Product Details Size – 4"w X 18"h or 18" x 4" is the size for the duct opening measurement only

12" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES RV Mobile Home + Product Details Size -+ Product Details Size 12"w X 30"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 32. 5"h] Actual Filter Size 11 3 4"w x 29 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,