Filtration Towers
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Filtration Towers is one of the 
Idea Research in Frostpunk 2. It unlocks 
Housing District Filtration Tower Buildings that lowers the 
Squalor problem in the City.
Adaptation Filtration Towers Variant[edit | edit source]
| Moss-Filtration Tower | |
|---|---|
 | |
| Idea info | |
| Zeitgeist |  Adaptation
|
| Idea Unlocks | Waste Management Facilities
|
| Idea Cost | 50  Heatstamps
|
| Research Base Duration | 15 |
| Idea unlocks | |
 Moss-Filtration Tower
| |
Adaptation variant of Filtration Towers Idea Research unlocks Moss-Filtration Tower Building. It decrease Squalor more than Progress Variant, and demands less 
Heat.
Following 
Communities and Factions can develop Adaptation Filtration Towers Idea:
Progress Filtration Towers Variant[edit | edit source]
| Ventilation Tower | |
|---|---|
| |
| Idea info | |
| Zeitgeist |  Progress
|
| Idea Unlocks | Waste Management Facilities
|
| Idea Cost | 50 Heatstamps
|
| Research Base Duration | 15 |
| Idea unlocks | |
| Ventilation Tower
| |
Progress variant of Filtration Towers Idea Research unlocks Ventilation Tower Building. It decreases Squalor less than Adaptation Variant and demands more Heat.
Following Communities and Factions can develop Neutral Filtration Towers Idea: