30" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w30h30 + Product Details Size -

+ Product Details Size - 4"w X 20"h is the size for the duct opening measurement only

Don’t worry

width: 100%

Actual Filter Size – 35 3/4"w x 23 3/4" x 1"

30" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w30h30 + Product Details Size -+ Product Details Size 30"w X 30"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 32. 5"h] Actual Filter Size 29 3 4"w x 29 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,