




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 Quietflex 660 is a flexible duct specifically designed for HVAC systems. Made with fiberglass insulation, this duct includes a UV-inhibited polyethylene vapor barrier that provides reliability in performance. The duct features a galvanized metal core for added strength and an oversized design that fits collars and register boxes seamlessly.
Ideal for various HVAC applications, the Quietflex 660 ensures efficient air flow while maintaining insulation integrity.
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!




