Tuttnauer M Series manual autoclaves set the standard for steam sterilization. The Tuttnauer manual autoclave is designed to compliment any healthcare and laboratory facility. These basic models can satisfy all of your sterilization needs. Time tested reliability and durability are built into every Tuttnauer product. Standard features include: Automatic shut off at the end of the sterilization and dry cycles, long life electro polished chamber and door, International certifications. Double safety locking device prevents door from opening while chamber is pressurized.