

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The MITCHELL METAL PRODUCTS 1903-5089 MCO-106 start collar is designed for use with nine-inch ductboard. This collar enables seamless connections to one inch or one and a half inch duct systems. It features tab-lock technology for easy installation and ensures a secure fit.
The MCO-106 start collar provides reliable performance for your HVAC needs, ensuring efficient airflow.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!