32" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_R-4.2 Yellow + Product Details Size – 190RF 10X20 FBA crafted from heavy gauge Compatible With Duct 7in

+ Product Details Size – 20" x 22" or 22" x 20" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 20 5/8" width X 26 5/8" height

this air vent diffuser is built to last

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 26" or 26" x 12" duct opening (measured at the opening)

+ Product Details Size - 25"w X 24"h is the size for the duct opening measurement only

32" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_R 4.2 Yellow + Product Details Size – 190RF 10X20 FBA crafted from heavy gauge Compatible With Duct 7in + Product Details Size – 20" x 22" or 22" x 20" is the size for the duct opening measurement only actual front end outer dimensions are approximately 20 5 8" width X 26 5 8" height