Why Excalibur? Only Excalibur offers the Turbo Charged Parallexx® Drying System. Millions have re-discovered the benefits of food dehydration. Healthy, nutritious and tasty food at a huge savings. Excalibur makes drying easy. For centuries food has been dried in the sun or open air- a lengthy, messy and difficult process inviting contamination and spoilage. With the introduction of electric dehydrators the drying process was improved. But most manufactures offered round stackable models with a heating unit in the bottom. Excalibur pioneered a rear-mounted equipment package allowing horizontal or parallel air flow…The Parallexx System-- and Continues to be the worldwide leader in dehydration technology and innovation. Every Excalibur Model has a combined knowledge of over 35 years of dehydration research and development, making Excalibur Dehydrators the Best in the World.