Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
A filter mask was a Federation breathing apparatus. It was capable of automatically eliminating all substances injurious to humanoid life, including both chemical and bacterial agents.
In 2269, James T. Kirk introduced the Troglyte population of Ardana to this technology, in an attempt to release them of the effects of mining zenite. (TOS: "The Cloud Minders")
External link Edit