18" x 30" or 30" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w32h32 actual front end outer dimensions RGADJ-3012 7" Round Duct Pipe Quality Packaging carefully packaged

actual front end outer dimensions are approximately 30 5/8" width X 32 5/8" height

actual front end outer dimensions are approximately 38 5/8" width X 26 5/8" height -

actual front end outer dimensions are approximately 32 5/8" width X 20 5/8" height -

this easy-to-install grille fits seamlessly into any standard return filter opening

18" x 30" or 30" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w32h32 actual front end outer dimensions RGADJ 3012 7" Round Duct Pipe Quality Packaging carefully packaged actual front end outer dimensions are approximately 30 5 8" width X 32 5 8" height actual front end outer dimensions are approximately 38 5 8" width X 26 5 8" height