36" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged- [Outer Dimensions: 38 5/8" X 32 5/8"] w34h34 + Product Details Size –

+ Product Details Size – 25"w X 12"h is the size for the duct opening measurement only

and the second number represents the height

+ Product Details Size - 10"w X 14"h is the size for the duct opening measurement only

+ Product Description When it's time to upgrade your HVAC Vents in your house

We carry sizes the big box stores don't

36" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged- [Outer Dimensions: 38 5/8" X 32 5/8"] w34h34 + Product Details Size –+ Product Details Size 36"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 32 5 8" height High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Ceiling Design Fixed hinged for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and