Stick-on Collar Duct | Galvanized Steel Metal Collar Duct 30-Gauge | 18" is Compatible with 18" Stick on Side Take Off this blank box is the

this blank box is the perfect solution for new constructions or system upgrades

Whether you're updating certain elements of your home or working on new construction

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

Featuring a reliable tumbler lock and key system

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

Stick-on Collar Duct | Galvanized Steel Metal Collar Duct 30-Gauge | 18" is Compatible with 18" Stick on Side Take Off this blank box is the+ 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