Stick-on Collar Duct with Damper | Galvanized Steel Metal Collar Duct with Damper 30 Gauge | 4" Stick on Collar w/Damper is Compatible with Duct 4" Compatible With Duct 8in GPH @ 1 FT: -

GPH @ 1 FT: - 67

+ Product Details Size - 28"w X 22"h is the size for the duct opening measurement only

Crafted from durable galvanized steel metal to prevent rust and ensure long-lasting durability

and smooth surface

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 24" or 24" x 12" duct opening (measured at the opening)

Stick-on Collar Duct with Damper | Galvanized Steel Metal Collar Duct with Damper 30 Gauge | 4" Stick on Collar w/Damper is Compatible with Duct 4" Compatible With Duct 8in GPH @ 1 FT: -+ Product Details Size The size 30 gauge 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 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