Large Animal Care 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 Mid-Range Series Bio-shield barrier hermetically seals between the hot and cold zones Thermal sterilization treatment sterilizes all effluent and waste water Double or single filtration systems ensure air is decontaminated before discharge Autoclave chamber, piping and fittings are made from 316L stainless steel Interlocks protect against passage of contaminated materials Double door pass-through autoclave