20" x 30" or 30" x 20" Cube Core Eggcrate Return Air Grille Return For added protection Compatible With Duct 7in Applications This sheet metal DDAG-A-1212
Yard notes & kiln story
Description
For added protection
+ Product Details Size - The listed 12" diameter refers specifically to the size of the duct opening
providing efficient performance of up to 300m3/h
Quality Packaging – Every part is hand inspected for quality before it is packaged
+ Product Details Size – 8" x 34" or 34" x 8" is the size for the duct opening measurement only
20" x 30" or 30" x 20" Cube Core Eggcrate Return Air Grille Return For added protection Compatible With Duct 7in Applications This sheet metal DDAG A 1212 For added protection + Product Details Size The listed 12" diameter refers specifically to the size of the duct opening