4000 air volume (deluxe model 1.3 meters, double group purification) 4000 air volume (flagship 1.3 meters, three groups of purification) 5000 air volume (deluxe model 1.6 meters, three groups of purification) 5000 air volume (flagship model 1.6 meters, four groups of purification) 6000 air volume (deluxe model 2.0 meters, four groups of purification) 6000 air volume (flagship model 2.0 meters, five groups of purification) 8000 air volume (luxury model 2.5 meters, five groups of purification) 8000 air volume (flagship 2.5 meters, six groups of purification) 10,000 air volume (Deluxe 3.0 meters, six groups of purification) 10,000 air volume (flagship 3.0 meters, seven groups of purification) Ahaus hydroelectric barbecue truck (strong purification, good quality) Deluxe