CRYOSEAL is a double walled Vacuum Insulated Refrigerator for storing Liquid Nitrogen (-196 Deg C). The light weight Aluminium Cryogenic Container is manufactured with advanced vacuum technology & multi layered super insulation. Inner Vessel & Outer Vessel of container is fabricated out of prime quality aluminium. The CRYOSEAL is provided with multi layered insulation in annular space between the two shells layer is maintained under vacuum. The inherent features of the design result in a long term vacuum retention to ensure better performance of the CRYOSEAL. Double wall vacuum and super insulation provides long term storage of liquid nitrogen. Ultra low temperature preservation of biological samples.