Stick-on Collar Duct | Galvanized Steel Metal Collar Duct 30-Gauge | 4" is Compatible with 4" w32h32 + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 20" duct opening (measured at the opening)

HIGH QUALITY - High Quality Galvanized Sheet Metal with Crimped Ends (Snap-Lock Design) For Easy Fitting and Secure Connection To Consecutive Duct Joints

+ Product Details Size - 10"w X 6"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 20 5/8" width X 34 5/8" height

Stick-on Collar Duct | Galvanized Steel Metal Collar Duct 30-Gauge | 4" is Compatible with 4" w32h32 + Product Details Perfect Fit+ Product Details Size Stick on collar is 4" and it is compatible with duct 4". Design It has the main role in HVAC ducting system. The stick on collar helps you in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. Applications The galvanized steel round duct is used to cut into a plenum or rectangular duct to begin a trunk line or branch like runs. Premium Quality Our duct stick on collar has made of high quality galvanized