Technifab Cryodewars

Dewar Lineup

Low evaporation liquid nitrogen dewars for laboratory use and custom-designed dewars for analytical and industrial applications.  All of our dewars are fabricated to meet the highest quality standards.

Shop Accessories

Your safety is our business. Use the same Personal Protective Equipment (PPE) that we use. Whether you are looking for aprons, gloves, or masks; we always have them in stock.

Technifab designs and manufactures cryogenic equipment including lab, biological, detector and custom dewars.

  • Our team has designed dewars used in many different applications worldwide such as biological research, metal tempering, rubber deflashing, and vaccine transport.
  • Some of the best scientific equipment manufactures in the industry use our detector dewars.
  • We also offer vacuum jacketed pipe, transfer hoses and a variety of accessories including pressurized dispensing devices and dippers for safe delivery and use of liquid nitrogen.
  • Our products are used in aerospace, electronics, food and beverage, medical, pharmaceutical, and the semiconductor industry.

Liquid Nitrogen Dewars

2 Liter Dewar


5 Liter Dewar


10 Liter Dewar


25 Liter Dewar


35 Liter Dewar


50 Liter Dewar



  • Technifab dewars combine an advanced vacuum design and super insulation to achieve superior thermal performance.

  • The high strength aluminum material, ribbed cylinder, durable neck-tube, and convenient handle provides you with a liquid nitrogen dewar that is lightweight, rugged and easy to use.

  • Each dewar is performance tested prior to shipment and fully warranted with serial number tracking documentation.

Inside Dewar


  • The superior thermal performance of Technifab dewars results in longer hold times, meaning less refilling and lower operating costs.

  • Made in our own facility, we can deliver dewars and accessories from stock.

  • The durable construction and ease of use ensures a convenient and long lasting device to store and transport liquid nitrogen.