6" x 6" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 1-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 9" x 9"] 14" Diameter + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 28"w X 20"h X 2"d (for duct opening measurement only)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 28" or 28" x 8" duct opening (measured at the opening)

actual front end outer dimensions are approximately 36 5/8" width X 32 5/8" height

reduces energy costs

875" width X 25

6" x 6" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 1 Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 9" x 9"] 14" Diameter + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 28"w X 20"h X 2"d (for duct opening measurement only) + Product Details Perfect Fit & Easy Sizing Designed for a 8" x 28" or 28" x 8" duct opening (measured at the opening)