It's about 20 years , there are no vents anywhere. The air comes in from the bottomWelcome aboard.... I haven't seen one like that either, but I really like vertical smokers. What is the draft like, meaning intake vent and exhaust controls? And can you post a photo of the inside?
Seeing the hole in the bottom would be useful...you want to vary that hole to vary the temp.... there are no vents anywhere. The air comes in from the bottom