If your air conditioner is experiencing issues with stability or structural integrity, it might be time to replace the chassis assembly. The Midea chassis assembly (12220300004022) is designed for use with various window air conditioners, including the Garrison Window, Midea Window Air Conditioner Heat & Cool, Keystone 18, and Seasons Window Air Conditioner. This genuine product ensures a proper fit, maintaining your air conditioner's performance. Check your device's model number for compatibility before purchasing.