Duct Start Collar Take Off | 22" Sheet Metal Snap Together Start Collar is Compatible with 22" Duct Brown Energy Efficient – Air-tight inner

Energy Efficient – Air-tight inner core decreases the pressure loss and provides a more hygienic environment - high energy efficient / No fiberglass erosion into air stream

40"w X 16"h Is The Size For The Duct Opening Measurement Only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 8" duct openings

Can be hooked up with our "Butterfly Dampers" for precise airflow control

Duct Start Collar Take Off | 22" Sheet Metal Snap Together Start Collar is Compatible with 22" Duct Brown Energy Efficient – Air-tight inner+ Product Details Size Sheet metal duct board take off start collar is 22" and it is compatible with duct 22". 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.