Understanding Rebreather
An equipment piece that helps reduce oxygen penalties at greater depths.
This is an original reference for the first Subnautica. Your current depth rating, oxygen, available tools and navigation route determine when an objective is practical. Follow actual in-game PDA and Fabricator information for any values that vary by version.
How to use this information
Craft before deeper free-diving; pair with larger tanks and a clear ascent route.
What to avoid
It does not increase a vehicle's depth rating.