24" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES return grille + Product Details Size –

+ Product Details Size – 14"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – Duct end cap is 14" X 12" | 26-gauge galvanized steel end cap

75 Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE PROPERLY

+ Product Details Size – The size 30-gauge stick-on collar is 7" and it is compatible with duct 7"

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24" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES return grille + Product Details Size –+ Product Details Size 24"w X 36"h is the size for the duct opening measurement only, [Outer Dimensions: 26. 5"w X 38. 5"h] Actual Filter Size 23 3 4"w x 35 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,