25" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 27 5/8" X 22 5/8"] Filter Grille Whether you're restoring an old

Whether you're restoring an old Victorian or craftsman style home

you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille

+ Product Description Upgrade your HVAC system with our 5" Round Air Vent Supply Grille

3/4" - 2981 PSI

25" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 27 5/8" X 22 5/8"] Filter Grille Whether you're restoring an old+ Product Details Size 25"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27 5 8" width X 22 5 8" height Actual Filter Size 24 3 4"w x 19 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.