Stick-on Collar Duct with Damper | Galvanized Steel Metal Collar Duct with Damper 30 Gauge | 7" Stick on Collar w/Damper is Compatible with Duct 7" Ceiling Backflow Stopper - Yes

Backflow Stopper - Yes

+ Product Details Size - 6"w X 30"h X 2"d (for duct opening measurement only)

+ Product Details Size - 20"w X 24"h X 2"d (for duct opening measurement only)

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Designed with two mounting base options—solid and ring—it offers flexible installation

Stick-on Collar Duct with Damper | Galvanized Steel Metal Collar Duct with Damper 30 Gauge | 7" Stick on Collar w/Damper is Compatible with Duct 7" Ceiling Backflow Stopper - Yes+ Product Details Size The size 30 gauge stick on collar is 7" and it is compatible with duct 7". 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 damper