HVAC Premium Stick-on Collar Duct with Damper | Galvanized Steel Metal Collar Duct with Damper 30 Gauge | 16" Stick on Collar w/Damper is Compatible with Duct 16" 10 Feet Long + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 18" OR 18" x 20" duct opening (measured at the opening)

actual front end outer dimensions are 19" Width X 11" Height

equipped with a lever for airflow dampening

Quality Packaging – Carefully shrink wrapped with cardboard backing to prevent damage in shipment

HVAC Premium Stick-on Collar Duct with Damper | Galvanized Steel Metal Collar Duct with Damper 30 Gauge | 16" Stick on Collar w/Damper is Compatible with Duct 16" 10 Feet Long + Product Details Perfect Fit+ Product Details Size The size 30 gauge stick on collar is 16" and it is compatible with duct 16". 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 metal 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 with