20" X 25" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Compatible with Duct 4" Applications – This circular volume

Applications – This circular volume control damper plate is used to stops or regulates the flow of air inside a duct

actual front end outer dimensions are approximately 27 5/8" width X 34 5/8" height -

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

this grille is a testament to high standard craftsmanship

20" X 25" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Compatible with Duct 4" Applications – This circular volume+ Product Details Size 20"w X 25"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 27. 5"h] Actual Filter Size 19 3 4"w x 24 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,