6" x 10" or 10" x 6" Cube Core Eggcrate Return Air Grille Width_20in actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

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

Actual Filter Size – 35 3/4"w x 27 3/4" x 1"

+ Product Details Size – 14" x 32" or 32" x 14" is the size for the duct opening measurement only

Installs Directly On Round & Oval Spiral Duct - No Frames

+ Product Details Size - 25"w X 4"h is the size for the duct opening measurement only

6" x 10" or 10" x 6" Cube Core Eggcrate Return Air Grille Width_20in actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are approximately 32 5 8" width X 20 5 8" height Actual Filter Size – 35 3 4"w x 27 3 4" x 1"