Filter
A filter was any device, mechanism, agent or procedure that could be used to separate or remove an unwanted agent or desired byproduct from a product.
Types of filters
- Air filtering system
- Barystatic filter
- Biofilter
- Carbon dioxide filter
- Carbon filter
- Deuterium filter
- Filter band/filter bandpass
- Encoding filter
- Narrowband filter
- Theta band filter
- Wideband filter protocol
- Filter mask
- Holodeck biofilter
- Impulse response filters
- L-90 enhanced resolution filter
- Osmotic filter
- Quantum filter
- Perceptual filter
- Plasmatic filter
- Warp plasma filter
Things with filtration abilities
Things that could be filtered out
- Communication distortions (TOS: "The Immunity Syndrome")
- "Human factors" (TOS: "Journey to Babel")
- Sedatives (DS9: "The Adversary")
- Sub-harmonic distortions