25" X 25" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES steel actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 10 5/8" height

Actual Filter Size – 23 3/4"w x 33 3/4" x 1"

+ Product Details 18"w X 18"h is the size for the drywall opening measurement only

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25" X 25" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES steel actual front end outer dimensions+ Product Details Size 25"w X 25"h is the size for the duct opening measurement only, [Outer Dimensions: 27. 5"w X 22. 5"h] Actual Filter Size 24 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,