Advanced Close Loop System life support rack

ESA's next-generation life support rack ACLS on the International Space Station, 19 October 2018.

ESA astronaut Alexander Gerst commented: "Science fiction, just without 'fiction'. Just finished the installation of ESA's new Life Support Rack on the Space Station, which helps us regenerate oxygen and water. It will also teach us how to build a life support system for Moon and Mars, and for remote locations on Earth."