For those units covered by this accessory, a duct cover is needed to convert the unit from vertical supply (factory default) to horizontal supply. This cover is provided in this accessory. The horizontal duct cover for the return section, provided with the unit, can be used to convert the return duct from vertical (factory default) to horizontal return and therefore a return duct cover is not provided with this accessory.
Package Contents: 1 - Cover Assembly 1 - Bag of Fasteners 1 - Installation Instructions
Warning: this product contains a chemical known to the State of California to cause cancer. P65Warnings.ca.gov