Siphon

From HBM's Nuclear Tech Wiki

Use

The siphon, as it appears in the inventory

The siphon is a tool used to extract input fluids from a machine. Right-clicking a machine with content in it's input tanks will fill any fluid barrels, universal tanks or pipettes (if the fluid amount cannot fill any of the previous options).

Glass
Rubber Bar
Glass
Rubber Bar
Glass
Siphon