Duct Start Collar Take Off | 20" Sheet Metal Snap Together Start Collar is Compatible with 20" Duct 7" Diameter We always strive to choose

We always strive to choose high-quality materials and provide the most intimate service

ensuring durability and a secure connection to consecutive duct joints

in this case

Cubic core eggcrate design has the highest rate of airflow efficiency

Duct Start Collar Take Off | 20" Sheet Metal Snap Together Start Collar is Compatible with 20" Duct 7" Diameter We always strive to choose+ Product Details Size Sheet metal duct board take off start collar is 20" and it is compatible with duct 20". Premium Quality Our products are made of high quality galvanized sheet metal with crimped ends (snap lock design) for easy fitting and secure connection. Made in the USA. Applications The snap collar duct board fitting is used as a main duct or plenum; a starting collar is installed for attaching a straight or split fitting for the ducts.