Individual sealed canisters for high-risk samples, certified by Public Health England, Porton Down, UK.Secure, push-button Auto-Lock rotor exchange in as little as 3 seconds delivers:Trouble-free rotor installation and removal 1. No tools are required 2. No complicated rotor changing proceduresClear chamber access for cleaning convenienceQuick switch between applications, from conical tubes to blood tubes, from microtubes to microplates, and the flexibility to evolve with the changing needs of your laboratory