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Filter (gas)
Stacks no
Created With Hydraulic Pipe Bender, Fabricator
Cost depending in size

Filters are used to filter out gas from an input. Only gasses matching the filters type will pass through it.

All filters types cost the same and can be made in the Hydraulic Pipe Bender or Fabricator.

They come in 3 variants: normal, medium, large.

Filter Size[edit]

  • Medium Filter lasts 5 times longer than Normal.
  • Large lasts 4 times longer than Medium and 20 times longer then Normal.

Filter Types[edit]

  • CO2
  • Nitrogen
  • Oxygen
  • Pollutant
  • Volatiles
  • Water


  1. Players start the game with two Filters, a CO2 filter in the suit and a water filter in the Starting Gear.
  2. Players breathe out CO2 (just like in real life) and this may need to be considered when setting up a pressurized atmosphere where a helmet will not be worn.
  3. Arc Furnaces and Furnaces product waste products like pollutants or CO2 which will need to be scrubbed out of a pressurized base (assuming the Furnace is not already hooked up to a Pipe system)