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The Fortress 84130 is a 4.5 Coupler designed for connecting two lengths of ducting. This coupler is part of the Fortress line set covers series, which offers a solution that balances affordability and quality in the market of line set covers. Made in the USA, it features eight-foot lengths of duct and comes with a twelve-month guarantee for reliability.
This coupler offers durability and strength at a moderate price point while maintaining a lightweight profile.
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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