DESC: The SaniServ Model 501 Twin Flavor Soft Serve and Frozen Yogurt Machine can provide not one but two favorite high profit, consistent quality soft serve and yogurt products in a dual barrel design! The ease of the model 501's operation and product versatility is a favorite among owners and operators. The high production, capacity and recovery time insures the 501 is a perfect piece of equipment for satisfying enough of any two customer favorite frozen treats at any time!