RRS 60-290-2057 - Non-Concentric Curb Adapter, 77 1/2"L X 43"W X 12"H
- Fully welded G90 galvanized construction.
- Fully insulated.
- Gaskets shipped with adaptor.
- Separate supply and return ducts only. (No concentrics - Consult factory.)
- Adaptor matches existing duct.
- Existing curb O.D. Is 1 inch less than bottom skirt of adapter.