36" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged- [Outer Dimensions: 38 5/8" X 32 5/8"] Brown actual front end outer dimensions Compatible with Duct 4" Product Details Size 32 LO246

actual front end outer dimensions are approximately 38 5/8" width X 14 5/8" height -

+ Product Details Size – 10" x 30" or 30" x 10" is the size for the duct opening measurement only

Design – Fixed Hinged for easy filter change & cleaning - uses a 1" thick filter

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actual front end outer dimensions are approximately 10 5/8" width X 22 5/8" height

36" X 30" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 38 5 8" X 32 5 8"] Brown actual front end outer dimensions Compatible with Duct 4" Product Details Size 32 LO246 actual front end outer dimensions are approximately 38 5 8" width X 14 5 8" height + Product Details Size – 10" x 30" or 30" x 10" is the size for the duct opening measurement only