20" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 8" Diameter hp-mullion-popup-link { border: 0

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+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 14" X 4" X 7"

ensuring long-lasting performance

+ Product Details Size - 14"w X 8"h Is The Size For The Duct Opening Measurement Only

actual front end outer dimensions are approximately 16 5/8" width X 20 5/8" height

20" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 8" Diameter hp-mullion-popup-link { border: 0+ Product Details Size 20"w X 24"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 26. 5"h] Actual Filter Size 19 3 4"w x 23 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,