24" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Copper Coil-Insulated Line Set + Product Details Size -

+ Product Details Size - 16"w X 16"h is the size for the duct opening measurement only

Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 4

By simply measuring the width or the length of the vent

+ Product Details Size - 36"w X 6"h is the size for the duct opening measurement only

7/8" - 3397 PSI

24" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Copper Coil-Insulated Line Set + 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,