- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
Component of a transporter that scans and removes disease and virus organisms from incoming individuals. The biofilter is only effective against known organisms that it is programmed to recognize.