Stick-on Collar Duct with Damper | Galvanized Steel Metal Collar Duct with Damper 30 Gauge | 12" Stick on Collar w/Damper is Compatible with Duct 12" 18" Round Duct Pipe Actual Filter Size – 31

Actual Filter Size – 31 3/4"w x 35 3/4" x 1"

+ Product Details Size – 16"w X 20"h is the size for the duct opening measurement only

+ Product Details Size – 20"w X 18"h is the size for the duct opening measurement only

Designed for optimal airflow and lasting durability

Stick-on Collar Duct with Damper | Galvanized Steel Metal Collar Duct with Damper 30 Gauge | 12" Stick on Collar w/Damper is Compatible with Duct 12" 18" Round Duct Pipe Actual Filter Size – 31+ Product Details Size The size 30 gauge stick on collar is 12" and it is compatible with duct 12". 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