HVAC Premium Stick-on Take-Off | Take Off Duct | This 7" Galvanized Steel Metal Duct is Compatible with Duct 7" Compatible with Duct 4" + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 12"w X 26"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 14" OR 14" X 18" duct opening (measured at the opening)

actual front end outer dimensions are approximately 20 5/8" width X 24 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 22" OR 22" x 28" duct opening (measured at the opening)

High Quality – Easy unrestricted airflow for your HVAC system - 7/8" margin turnback

HVAC Premium Stick on Take Off Take Off Duct This 7" Galvanized Steel Metal Duct is Compatible with Duct 7" Compatible with Duct 4" + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 12"w X 26"h is the size for the duct opening measurement only + Product Details Perfect Fit & Easy Sizing Designed for a 18" x 14" OR 14" X 18" duct opening (measured at the opening)