The Atmospheric Sponge is a typical TL H life support component. Primarily sold on the starship and space station market, it also can be used in the housing, vehicle and terraforming industry.
The Atmospheric Sponge contains a nanofoam that scrubs the atmosphere of irritants, bacteria, most viruses, and harmful gases. The Atmospheric Sponge can be powered by any source of electrical energy. When connected to on board power they can run with only minimal expense. Each Sponge can support up 100 tons of Life Support needs for one year before needing maintenance.
“Traveller 5.10 Core Rules Book 3 : Worlds and Adventures”, Miller, Marc , Far Future Enterprises