RectorSeal Fortress 4.5" 45° Flat Elbow – Gray LD122 Lineset Cover Heat Pump Split System Durable Internal ComponentsIncludes aluminized steel

Durable Internal ComponentsIncludes aluminized steel inshot burners and a non-welded clamshell heat exchanger for long-lasting performance

✅ Easy DIY Installation

• Supports DIY installation when paired with a MRCOOL Universal Series Air Handler and NO-VAC® Quick Connect pre-charged line sets (both sold separately)

or refrigerant charging

RectorSeal Fortress 4.5" 45° Flat Elbow – Gray LD122 Lineset Cover Heat Pump Split System Durable Internal ComponentsIncludes aluminized steelThe RectorSeal Fortress 4. 5" 45 Flat Elbow (LD122 Gray) redirects mini split and HVAC lineset cover duct at a 45 degree angle along exterior walls. Ideal for navigating around obstacles or adjusting routing direction with a gradual turn, this fitting helps maintain a clean, professional installation appearance. Designed for LD122 (4. 5") Fortress duct systems, this flat elbow is fully compatible with MRCOOL Line Guard kits and other 4. 5" lineset