RectorSeal Fortress 4.5" Duct – 7.5 Ft Length – Gray LD122 Lineset Cover Heat Pump System 000 BTU 21 SEER 4

000 BTU 21 SEER 4 Zone Ductless Heat Pump Split System - 9K + 9K + 18K + 18K can cool through the Summer

For those with different MRCOOL systems

Warranty: Backed by a 5-year parts warranty

50" W x 21

professional-grade solution

RectorSeal Fortress 4.5" Duct – 7.5 Ft Length – Gray LD122 Lineset Cover Heat Pump System 000 BTU 21 SEER 4The RectorSeal Fortress 4. 5" Duct (LD122 Gray) is designed for long, straight exterior runs in mini split and HVAC lineset cover installations. At 7. 5 feet in length, this duct section reduces the need for additional couplers compared to shorter competitor pieces, allowing for cleaner, more efficient installs. Part of the Fortress Lineset Cover System, this duct is fully compatible with MRCOOL Line Guard kits and other LD122 (4. 5") lineset cover