Every single cycle of a VHP lower-temp sterilizer is characterised by the sort of equipment which might be processed in that cycle. For example, the non-lumen cycles cannot be used to sterilize a lumened gadget or a flexible scope. Clean sterile air or nitrogen is circulated soon after decontamination. https://mylesmjezs.hamachiwiki.com/2217448/not_known_details_about_vhp_sterilization