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The Fortress 84355 is a 4.5 Tee fitting designed for HVAC line sets. This product allows branching off a line set in two directions. The Fortress line set cover series aims to provide a balance between lightweight and cost-effective solutions. Made in the USA, these covers are developed to meet specific USA conditions with features like eight-foot lengths of duct and a twelve-month guarantee. Available in two sizes and four colors, Fortress offers reliable strength and durability at an accessible price point.
This tee fitting is ideal for HVAC professionals looking for reliable and affordable line set covers.
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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