Andersen 100% ethylene oxide sterilization since 1969 saves instruments from damage. EOGas® and Anprolene® Sterilizers employ 17.5g of Ethylene oxide (EO, EtO) in a flexible plastic chamber. Sterilization Starter Kits save $400.00 on a complete package. Installing an Andersen Sterilizer is simple, no plumbing, just a vent to the outside and a standard 110V power supply. Andersen offers Operator training to support you and your employees. An Andersen Sterilizer offers your practice ROI, safety, and training advantages.