Spills fall on seamless bottom. Horizontal drying provides even drying, eliminating tray rotations. Adjustable thermostat allows perfect drying every time. Trays can be removed to expand drying chamber. Round Stackable Units Heating unit in bottom.
Spills fall directly on electric components.
Vertical drying requires tray rotation as trays closest to heat source dry first. Units without fan or thermostat may spoil food or not dry at all. Round design cuts off corners and has holes in center, reducing usable drying area. Non-adjustable stackable design restricts size of drying chamber. Large enough for quality drying.