Excalibur the first name in food dehydration presents our Top of the Line 3000 Heavy Duty Series, featuring the exclusive turbo charged ParallexxTM Drying System. The 3900 Series offers the ultimate versatility, dependability and quality construction Excalibur is known for. This Series is designed to last over 20 years and built to the highest specifications with upgraded electrical components and innovative plastics. This series also comes with a standard 10 year limited warranty. Only Excalibur offers the Turbo Charge 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.