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Filtration
Filtration
Research
Filtration
Tier
2
Cost
20 research points
Unlocks
4
Spaced Out!
Liquids
Unlocks
4
building
Gas Filter
building
Liquid Filter
building
Sludge Press
building
Lubrication Station
Requires
1
Plumbing
Required by
2
Distillation
Improved Plumbing
Unlocks
4
Gas Filter
Liquid Filter
Lubrication Station
Sludge Press
Related text
Basic technologies for filtering Liquids and Gases.
Filtration
