An ultraviolet unit is a unit which holds approximately 12-15 ultraviolet fluorescent tubes. Samantha Carter ordered that these units be brought into the embarkation room when O'Neill was pinned to the wall by the Orb. (SG1: "Message in a Bottle") IRL such units, also called "black light lamps" used in hospitals to disinfection/sterilization of rooms and halls, because UV light kills most bacteria and some viruses. Image:Kawoosh.JPG This article about a piece of technology is a stub. You can help Stargate Command by expanding it.