8" x 12" or 12" x 8" Cube Core Eggcrate Return Air Grille Color_Aluminum and the second number represents Compatible With Duct 7in Applications This sheet metal DDAG-A-1212
Yard notes & kiln story
Description
and the second number represents the height
improves airflow
75" width X 19
width: 20px
+ Product Details Size – 30"w X 8"h is the size for the duct opening measurement only
8" x 12" or 12" x 8" Cube Core Eggcrate Return Air Grille Color_Aluminum and the second number represents Compatible With Duct 7in Applications This sheet metal DDAG A 1212 and the second number represents the height improves airflow