
RectorSeal Fortress 4.5" Soffit Inlet – Gray LD122 Lineset Cover
The RectorSeal Fortress® 4.5" Soffit Inlet (LD122 – Gray) provides a clean, professional transition when your mini split or HVAC lineset cover duct vertically enters a soffit vent. Its oversized opening helps conceal imperfect soffit cutouts, delivering a polished and finished exterior appearance.
Designed for use with LD122 (4.5") Fortress duct systems, this soffit inlet is fully compatible with MRCOOL Line Guard kits and other 4.5" lineset cover components. It protects and conceals refrigerant lines, drain hoses, and communication wiring while improving the overall look of the installation.
Constructed from durable, UV-stabilized polypropylene, this fitting is tested for over 2,000 hours of UV resistance and performs in temperatures ranging from -4°F to 140°F. The gray finish complements residential and commercial exteriors and can be painted to match surrounding surfaces.
Ideal for MRCOOL DIY mini split systems, ductless heat pumps, and HVAC installations requiring vertical soffit transitions.
Key Features
- Designed for LD122 (4.5") Fortress duct systems
- Used when duct vertically enters a soffit vent
- Large opening conceals imperfect soffit cutouts
- Compatible with MRCOOL Line Guard kits
- Protects refrigerant lines, drain hose, and wiring
- UV-stabilized polypropylene construction
- Tested to over 2,000 hours of UV exposure
- Temperature range: -4°F to 140°F
- Paintable finish (brush, spray, or roller)
- Suitable for residential and commercial installations
- 3-Year Manufacturer Warranty
- SKU: 84354
- Sold Individually
RectorSeal Fortress 4.5" Soffit Inlet – Gray LD122 Lineset Cover
The RectorSeal Fortress® 4.5" Soffit Inlet (LD122 – Gray) provides a clean, professional transition when your mini split or HVAC lineset cover duct vertically enters a soffit vent. Its oversized opening helps conceal imperfect soffit cutouts, delivering a polished and finished exterior appearance.
Designed for use with LD122 (4.5") Fortress duct systems, this soffit inlet is fully compatible with MRCOOL Line Guard kits and other 4.5" lineset cover components. It protects and conceals refrigerant lines, drain hoses, and communication wiring while improving the overall look of the installation.
Constructed from durable, UV-stabilized polypropylene, this fitting is tested for over 2,000 hours of UV resistance and performs in temperatures ranging from -4°F to 140°F. The gray finish complements residential and commercial exteriors and can be painted to match surrounding surfaces.
Ideal for MRCOOL DIY mini split systems, ductless heat pumps, and HVAC installations requiring vertical soffit transitions.
Key Features
- Designed for LD122 (4.5") Fortress duct systems
- Used when duct vertically enters a soffit vent
- Large opening conceals imperfect soffit cutouts
- Compatible with MRCOOL Line Guard kits
- Protects refrigerant lines, drain hose, and wiring
- UV-stabilized polypropylene construction
- Tested to over 2,000 hours of UV exposure
- Temperature range: -4°F to 140°F
- Paintable finish (brush, spray, or roller)
- Suitable for residential and commercial installations
- 3-Year Manufacturer Warranty
- SKU: 84354
- Sold Individually
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The RectorSeal Fortress® 4.5" Soffit Inlet (LD122 – Gray) provides a clean, professional transition when your mini split or HVAC lineset cover duct vertically enters a soffit vent. Its oversized opening helps conceal imperfect soffit cutouts, delivering a polished and finished exterior appearance.
Designed for use with LD122 (4.5") Fortress duct systems, this soffit inlet is fully compatible with MRCOOL Line Guard kits and other 4.5" lineset cover components. It protects and conceals refrigerant lines, drain hoses, and communication wiring while improving the overall look of the installation.
Constructed from durable, UV-stabilized polypropylene, this fitting is tested for over 2,000 hours of UV resistance and performs in temperatures ranging from -4°F to 140°F. The gray finish complements residential and commercial exteriors and can be painted to match surrounding surfaces.
Ideal for MRCOOL DIY mini split systems, ductless heat pumps, and HVAC installations requiring vertical soffit transitions.
Key Features
- Designed for LD122 (4.5") Fortress duct systems
- Used when duct vertically enters a soffit vent
- Large opening conceals imperfect soffit cutouts
- Compatible with MRCOOL Line Guard kits
- Protects refrigerant lines, drain hose, and wiring
- UV-stabilized polypropylene construction
- Tested to over 2,000 hours of UV exposure
- Temperature range: -4°F to 140°F
- Paintable finish (brush, spray, or roller)
- Suitable for residential and commercial installations
- 3-Year Manufacturer Warranty
- SKU: 84354
- Sold Individually













