"Tube crossings can run transit tubes through walls without leaking gas or liquid."


The Transit Tube Crossing is part of the Transport system in Oxygen Not Included. This base structure is used in place of a tile to allow pass-through access for Transit Tubes. Since they are made with Plastic, they share the same low melting point. Placing these in areas of extreme temperature (higher than 76.9°C ) should be avoided.

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