25" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES 38 Check Valve Installation: Verify that

Check Valve Installation: Verify that the check valve is correctly installed and the pump-mute wedge is integrated with the valve

this fitting is perfectly compatible with 16-inch ducts

+ Product Details Size - 22"w X 22"h X 2"d (for duct opening measurement only)

+ Product Details 14" x 20" x 1" replacement air filters for your furnace

and you'll have seamless access to your system's vital components

25" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES 38 Check Valve Installation: Verify that+ Product Details Size 25"w X 20"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 19 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,