34" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 18 5/8"] Copper Coil + Product Details Size –

+ Product Details Size – 18" Corner Baseboard Grille - White - HVAC corner vent cover

+ Product Details Size - 22"w X 10"h is the size for the duct opening measurement only

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

Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening

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34" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 18 5/8"] Copper Coil + Product Details Size –+ Product Details Size 34"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 36 5 8" width X 18 5 8" height Actual Filter Size 33 3 4"w x 15 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.