24" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES 18" Round Duct Pipe + Product Details Size -

+ Product Details Size - 18"w X 36"h is the size for the duct opening measurement only

actual front end outer dimensions are 15

The Contempo slotted Grate

+ Product Details Size – 6" x 24" or 24" x 6" is the size for the duct opening measurement only

24" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES 18" Round Duct Pipe + Product Details Size -+ Product Details Size 24"w X 14"h is the size for the duct opening measurement only, [Outer Dimensions: 26. 5"w X 16. 5"h] Actual Filter Size 23 3 4"w x 13 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,