ANDCAL distributes and supports all Andersen Products, Inc. and Andersen Sterilizers, Inc. When the physician indicates finest quality in hospital disposables it will be Andersen. When gas sterilization for small volumes or small lots is useful Andersen offers 100% ethylene oxide gas diffusion in a flexible plastic chamber and unit dose systems permitting a facility to make the most of time and resources. We are very excited by the AAMI publication of TIR56:2013. IF IT'S BUBBLING, IT'S WORKING! THE MOST EFFECTIVE STERILANT. THE MOST EFFICIENT STERILIZER.