We all know the advantages of home dehydrating...It's quick, easy, nutritious, and tasty. Make your own nutritious fruit rollups, beef jerky, soup mixes, and trail foods with ease. The Excalibur are square, thereby increasing the drying area by 25%. Trays can be removed to expand the drying chamber for other uses such as making cheeses, yogurt, dried flower arrangements, and drying whole herbs. The thermostatically controlled heat unit and fan are in the rear for fast, efficient drying. Versatile with large drying capacity.