12" x 28" or 28" x 12" Cube Core Eggcrate Return Air Grille w32h32 + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 30" duct opening (measured at the opening)

+ Product Description Upgrade your HVAC system with our 6" Round Air Vent Supply Grille

75" Width X 11

+ Product Details Size – 20"w X 36"h is the size for the duct opening measurement only

+ Product Details Size - 22"w X 16"h is the size for the duct opening measurement only

12" x 28" or 28" x 12" Cube Core Eggcrate Return Air Grille w32h32 + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Perfect Fit & Easy Sizing Designed for a 30" x 30" duct opening (measured at the opening) + Product Description Upgrade your HVAC system with our 6" Round Air Vent Supply Grille