32" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_R-4.2 Yellow Compatible with 24x24 openings and Compatible with Duct 4" RG1612AL actual front end outer

Compatible with 24x24 openings and built from durable

actual front end outer dimensions are approximately 34 5/8" width X 24 5/8" height

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

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

32" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_R 4.2 Yellow Compatible with 24x24 openings and Compatible with Duct 4" RG1612AL actual front end outer Compatible with 24x24 openings and built from durable actual front end outer dimensions are approximately 34 5 8" width X 24 5 8" height