midmark 90223200 sterilizer m9 ultraclave automatic sterilizer 9 x 15 inch automatic door m9-022 box of 1 midmark the m9 autoclave couldn't be easier and is time tested for reliability. you simply load it...set it...and forget it. select your cycle and the time is set for you. press “start” and the m9 fills with the correct amount of water. once the sterilization process is complete, the door opens automatically and quietly to dissipate the steam, giving you fast drying time for your instruments. features include: exclusive automatic-opening door for ease of use and a quick drying time steam–flush pressure pulse air removal system ensures proper steam penetration self program controls enable you to create different cycle parameters to meet specific instrument processing needs pre-programmed controls for convenience lcd display for easy view of indicators