Fortress 4.5" White Lineset Wall Duct Kit

The LDK-122-W 4.5" White Lineset Wall Duct Kit Includes (3) 4' Long LD Ducting, (2) LJ Couplers, (1) LW Wall Inlet, (1) LEN End Fitting and (1) X LK 90 Degree Flat Ell. RectorSeal's ducting is now made with thicker plastic, and offer better heat resistance and engagement between its top and bottom. This ducting is easy to install horizontally with a gusset and is also backwards compatible.