6" x 18" or 18" x 6" Cube Core Eggcrate Return Air Grille fixed bar actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

actual front end outer dimensions are approximately 26 5/8" width X 12 5/8" height -

3/4” - 2981 PSI

+ Product Details Size – 18" x 30" or 30" x 18" is the size for the duct opening measurement only

+ Product Details Size - 6"w X 34"h is the size for the duct opening measurement only

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

6" x 18" or 18" x 6" Cube Core Eggcrate Return Air Grille fixed bar actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are approximately 26 5 8" width X 12 5 8" height 3 4” 2981 PSI