30" X 6" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 8 5/8"] w18h18 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 24" Wooden Corner Baseboard Grille

actual front end outer dimensions are approximately 31

actual front end outer dimensions are approximately 38 5/8" width X 18 5/8" height -

Installation Location – Sidewall and ceiling

+ Product Details Size – 20"w X 25"h is the size for the duct opening measurement only

30" X 6" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 32 5 8" X 8 5 8"] w18h18 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 24" Wooden Corner Baseboard Grille actual front end outer dimensions are approximately 31