# Cold clean air

Pyanodons fluid · internal name `cold-clean-air` · first craftable in tier 5 (Chemical science pack, [tier 5](https://factorio.kalzumeus.com/tier/5.md))
HTML page: https://factorio.kalzumeus.com/fluid/cold-clean-air/

## Produced by (1 recipes)

### Cold clean air (`cold-clean-air`)

- 8 s · tier 5
- Ingredients: 100 × [Cold air](https://factorio.kalzumeus.com/fluid/cold-air.md), 1 × [Biofilm](https://factorio.kalzumeus.com/item/biofilm.md)
- Results: 75 × [Cold clean air](https://factorio.kalzumeus.com/fluid/cold-clean-air.md), 3 × [Petroleum gas](https://factorio.kalzumeus.com/fluid/petroleum-gas.md)
- Made in: Filter MK 01, Filter MK 02, Filter MK 03, Filter MK 04
- Unlocked by: [Helium processing](https://factorio.kalzumeus.com/tech/helium-processing.md)

## Used in (4 recipes)

- Liquid clean air (`liquid-pure-air`, tier 5) → [Liquid clean air](https://factorio.kalzumeus.com/fluid/liquid-pure-air.md)
- Harvest yotoi fruit MK 02 (`yotoi-fruit-mk02`, tier 6) → [Yotoi aloe fruit MK 02](https://factorio.kalzumeus.com/item/yotoi-fruit-mk02.md)
- Heavily p-doped silicon (`heavy-p-type`, tier 6) → [Heavily p-doped silicon](https://factorio.kalzumeus.com/item/heavy-p-type.md)
- Nitrogen (`nitrogen-pyfe`, tier 7) → [Nitrogen](https://factorio.kalzumeus.com/fluid/nitrogen.md)