Product features:

• Contains two square to round adapters, one for the supply air and one for the return air.
• Compatible with Goodman, large chassis, multi-positional, residential, packaged units
• Converts the supply and return air openings on the side to 18 inch round duct connections.
• Only compatible in a horizontal air discharge application
• If replacing an existing packaged unit please check the existing duct diameters for compatiblility
• 18 to 16 inch reducer (sold separately) is accessorized below