How do I craft Biological Room (expansion) in No Man's Sky?

To craft Biological Room (expansion), you need Silver x40, Oxygen x30. Use the Crafting Menu to combine them.

What ingredients do I need for Biological Room (expansion)?

You need: Silver x40, Oxygen x30.

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Biological Room (expansion) is a building part in No Man's Sky. To craft it, combine Silver x40, Oxygen x30.

Crafting menu

I needBiological Room (expansion)

Craft 1: 40 Silver + 30 Oxygen.

This spacious greenhouse chamber naturally filters and oxygenates the air supply, and offers a little sanctuary of green in freighter habitation.