According to Polyvance the 6085-C Nitro Fuzer Welding System comes with everything you need to get productive right away doing repairs on virtually any type of plastic. The Nitro Fuzer welder combines hot air and nitrogen welding capabilities for maximum versatility. The 6085 welder features digital encoders to precisely control the temperature of the nitrogen and airless welders. It also automatically switches from air to nitrogen when the torch is removed from the holster and automatically switches back to air when the torch is placed back into the holster. The 6085 Nitro Fuzer also features an integrated airless welding system for smoothing out welds and for repairing thermoset polyurethane.