Fully recirculating air chamber 4-directional air flow State-of-the-art AC variable speed drive Thermal overload protection on all motors Digital temperature control 50 to 177°C High density chromed conveyor rollers with silicone coverings Heavy duty live roller rod conveyor Sealed bearings on drive and idler shafts Reinforced silicone rubber tunnel curtains minimize heat loss and maintain accurate tunnel temperature Teflon™ mesh belt Optional Leg Kit with locking casters Your tunnel is guaranteed to be free from defects in materials and workmanship for a period of (1) year.