This accordion filler kit (part number 5304504883) is for room air conditioners.
Accordion filler kit 5304504883 attaches to the outer cabinet and fills the space left open between the cabinet and window frame when extended. The kit may include multiple parts; refer to your parts diagram for a complete list of parts included.
Follow the instructions in the owner's manual or installation guide when installing this part.
Plumbing and Heating
18.5" INHx 13.45" INHx 3.8"FOT