A: VHP Passbox sterilizes at low temperatures applying vaporized hydrogen peroxide, not like conventional steam sterilization that requires significant heat. Present day VHP passboxes incorporate various security mechanisms such as hydrogen peroxide catalysts that neutralize residual vapor before chamber opening. Interlocked door units prevent simultaneous entry from both sides, https://medium.com/@tailinscitech/vhp-sterilization-solutions-by-tailin-bioengineering-protecting-pharma-and-laboratory-environments-b515737bff96