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Rebreather
● Personal · Fabricator

Rebreather

Conserves oxygen when diving deeper. Automatically adjusts gas pressure to help lungs inflate.
Crafted at the Fabricator from 2 Fiber Mesh and 1 System Chip.

Profile

Reference
Crafted at
Fabricator
Menu
Fabricator › Personal › Equipment
Equipment slot
Head
Blueprint scans needed
1 scan
Crafting calculator
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Recipe

Station, ingredients and result

Crafting calculator

Raw materials for any amount

What to build

Rebreather

Materials needed

17

Items to gather

5

Material types

12

Craft actions

Raw materials to gather

Blueprint unlock

How the recipe is learned
Scan Rebreather

Databank

Rebreather
OPERATING INSTRUCTIONS Secure rebreather around mouth and nose. Connect air tank to rebreather. Dive below 100 meters. BACKGROUND In a standard open-circuit diving regulator, most of the oxygen in each breath is exhaled into the sea. Below 100m, where each breath requires more and more air, this waste becomes critical. A closed-circuit rebreather allows the diver to take the same breath over and over: literally re-breathing. The rebreather's system-on-a-chip automatically scrubs carbon dioxide or adds fresh oxygen when necessary. Rebreathers also reduce the number of bubbles emitted by a diver, slightly reducing the chance of unwanted attention and pursuit. "The Alterra Sumbisori rebreather. Breathe like no one's counting."

Videos

  • Rebreather Blueprint Locations in Subnautica 2

    QuickTipshow · May 14, 2026Watch ↗

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