This compact, fully automatic 3M 400CF sterilizer has a 4 cu.ft. chamber. Fully enclosed in it's own cabinet, it can be placed on an open shelf or rack, or it can be installed into a wall. The Steri-Vac 400CF offers a fully automatic system of controls to ensure that proper conditions for sterilization are met and to protect operators from contact with flammable or toxic concentrations of the gas. Uses ethylene oxide as a sterilant. Most items sterilized in ethylene oxide must be properly aerated before handling and patient use. Price includes Steri-Vac 33AA aeration cabinet (stock# 24731). An abator, if required, is not included.