Smoke-free barbecue car two switches is the switch purifier, fan. Smokeless barbecue car is through the gas combustion plus high efficiency purification equipment to realize the barbecue, here the high efficiency purification equipment refers to the vehicle's internal purification device, smokeless purification barbecue car is very convenient to use, the car has two white switches on the right side of the lower one is the purifier of a fan, when we don't use it can be turned off the switch, the stove fire is not extinguished, the continuous heat preservation. So smoke-free purification barbecue car two switches are switching purifier, fan.