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The Fortress 84371 is a 4.5 inch flat elbow designed to create a tight 90 degree turn on exterior walls. This product is part of the Fortress line set cover series, developed to offer a balance between lightweight and premium line set cover options. Manufactured in the USA, it features innovations suited for American conditions, including eight-foot lengths of duct and a twelve-month warranty.
The Fortress 84371 provides strength and longevity, making it suitable for various HVAC applications while being cost-effective.
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.
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