Large Laboratory Autoclaves 44 & 55 Laboratory Autoclaves Compact Series Tuttnauer small laboratory autoclaves with chamber volumes from 120 to 310 liters. 66 Laboratory Autoclave Mid-Range Series Tuttnauer medium laboratory autoclaves with chamber volumes from 340 to 600 liters. 69 Laboratory Autoclave Large Capacity Series Tuttnauer large laboratory autoclaves with chamber volumes from 510 to 1010 liters