The Harvest Right Medium Freeze Dryer allows you to preserve healthy and flavorful food for up to 25 years. With the three-quarter-inch plexiglass door and high-density insulation, the Harvest Right Medium Freeze Dryer reaches -40° F and uses patented Smart Freeze technology to sense when it's done. The detachable premier vacuum pump sits outside of the freeze dryer and is super easy to clean and maintain. Easy to use, simply touch the start button on the touchscreen and wait for the sensor to let you know when it's done. Investing in the Harvest Right Medium Freeze Dryer is a great way to make nutritious meals for your family while saving money.