30" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 16 5/8"] White actual front end outer dimensions LO246 Product Details Size 32 Compatible with Duct 4"

actual front end outer dimensions are approximately 20 5/8" width X 12 5/8" height

4" X 10" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

+ Product Details Size - 14"w X 34"h is the size for the duct opening measurement only

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30" X 14" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 32 5 8" X 16 5 8"] White actual front end outer dimensions LO246 Product Details Size 32 Compatible with Duct 4" actual front end outer dimensions are approximately 20 5 8" width X 12 5 8" height 4" X 10" Is The Size For The Duct Opening (floor vent hole) Measurement Only