32" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8in diameter + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 14"w X 8"h is the size for the duct opening measurement only

Universal Fit – Measures 6" wide x 3-1-13/16" high x 3-1/8" deep

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

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 30" OR 30" x 32" duct opening (measured at the opening)

+ Product Details Size – 34"w X 20"h is the size for the duct opening measurement only

32" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8in diameter + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 14"w X 8"h is the size for the duct opening measurement only Universal Fit – Measures 6" wide x 3 1 13 16" high x 3 1 8" deep