30L liquid nitrogen storage tank We offer a wide range of Aluminum Alloy Liquid Nitrogen Containers that are widely used for medical and scientific purposes. Such as: for the conservation of semen, embryos, spawn, vaccines, skin, organ and other biological material, cold assembly, instruments and components of cooling, cold therapy etc. Available in various shapes, sizes and capacities, these Nitrogen Containers are insulated and vacuum jacketed. The light weight aluminum construction ensures easy portability and the polyurethane paint ensures long durability. Liquid capacities range from 2 liters to 100 liters.