U. S. SOLID 20 L Cryogenic Container Liquid Nitrogen (LN2) Dewar Semen Tank 6 Cani

  
LN2 evaporates very quickly for the first use. The statistics in this graph show the evaporation rate of liquid nitrogen while it is in the 20L U.

Liquid nitrogen is a compact and readily transported source of dry nitrogen gas due to the fact that it does not require pressurization.