Stick-on Collar Duct | Galvanized Steel Metal Collar Duct 30-Gauge | 18" is Compatible with 18" Stick on Side Take Off Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 5 3/4" x 1"

+ Product Details Size - 6"w X 4"h is the size for the duct opening measurement only

For 6" duct opening

+ How To Measure A Grille

Design – Removable face for cleaning and access to damper - wooden damper for airflow shutoff control

Stick-on Collar Duct | Galvanized Steel Metal Collar Duct 30-Gauge | 18" is Compatible with 18" Stick on Side Take Off Actual Filter Size – 27+ Product Details Size Stick on collar is 18" and it is compatible with duct 18". 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