Adcrafts 7/11 Round Cooker/Warmer (FW-1200WR) preheats in just 30 minutes and can be used as a slow cooker or food warmer. The included adaptor rind allows it to be easily converted from 11 quarts to 7 quarts with the use of smaller insets (insets not included). This commercial cooker and warmer is made of durable stainless steel, fits nicely on a countertop and is a versatile unit for your slow cooking and warming needs.