This 3L liquid nitrogen dewar is designed for safe and efficient transfer and temporary storage of liquid nitrogen (LN2). It features high vacuum insulation technology combined with a special anti-frost coating on the inner tank, allowing it to withstand extreme low temperatures down to -197°C without cracking or deformation. The all-stainless steel body ensures durability, while the alloy handle provides easy portability. Holding Time – Approximately 6 hours under normal use (filled with LN2 and lid closed). Ideal for laboratory use, cryotherapy, biological sample transport, and small-scale industrial applications.