12" x 22" or 22" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 18" Diameter + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 14" x 30" or 30" x 14" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 18 5/8" width X 20 5/8" height

it seamlessly blends with any decor while performing its vital role in your HVAC system

+ Product Details Size – 24"w X 14"h is the size for the duct opening measurement only

Actual Filter Size – 29 3/4"w x 31 3/4" x 1"

12" x 22" or 22" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 18" Diameter + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 14" x 30" or 30" x 14" is the size for the duct opening measurement only actual front end outer dimensions are approximately 18 5 8" width X 20 5 8" height