The SL990 freeze dryer is a versatile appliance designed for both home and professional use. Its chamber capacity allows you to preserve a significant amount of food at once, making it ideal for families or those who frequently engage in freeze-drying. While specific details about its features are unavailable without further research, the SL990 likely offers functionalities common to freeze dryers, such as adjustable temperature controls and multi-tray stacking for efficient drying. If you're looking for a high-capacity freeze dryer to stock your pantry with long-lasting, delicious fruits, vegetables, and more, the SL990 could be a machine worth exploring further.