16" X 16" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Insulated Line + Product Details Size –

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

The grille features counter-sunk screw holes that prevent paint from peeling during installation

+ Product Details Size - 28"w X 18"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 14"h is the size for the duct opening measurement only

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16" X 16" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Insulated Line + Product Details Size –+ Product Details Size 16"w X 16"h is the size for the duct opening measurement only, [Outer Dimensions: 18. 5"w X 18. 5"h] Actual Filter Size 15 3 4"w x 15 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,