24" x 32" or 32" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Round Damper Ring actual front end outer dimensions Product Details Size 14 CRG828 7" Round Duct Pipe

actual front end outer dimensions are approximately 30 5/8" width X 38 5/8" height

Whether replacing an old register or installing a new vent

Actual Filter Size – 9 3/4"w x 21 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 24" OR 24" x 18" duct opening (measured at the opening)

that will overlap at wall joint

24" x 32" or 32" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Round Damper Ring actual front end outer dimensions Product Details Size 14 CRG828 7" Round Duct Pipe actual front end outer dimensions are approximately 30 5 8" width X 38 5 8" height Whether replacing an old register or installing a new vent