We offer eto paper eto is used to sterilize items that are heat or moisture sensitive. Disadvantages of eto gas are that it can leave toxic residues on sterilized items and it possesses several physical and health hazards to personnel and patients that merit special attention. since eto poses several health hazards, there are currently two alternative technologies that are currently available: sterrad  , a plasma phase hydrogen peroxide-based sterilizing agent and steris, a per acetic acid based technology.