Storage dewars for LN2

| Size | Model | Static Holding Time | Weight Empty | Weight Full |
| 5 Liter | 501-5 | 4-5 Weeks | 8 lbs. | 17 lbs. |
| 10 Liter | 501-10 | 6-8 Weeks | 13 lbs. | 30 lbs. |
| 20 Liter | 501-20 | 8-12 Weeks | 19 lbs. | 53 lbs. |
| LongLast 20 Liter | 501-20SC | 220 Days | 19 lbs. | 53 lbs. |
| 30 Liter | 501-30 | 14-16 Weeks | 26 lbs. | 77 lbs. |
| 50 Liter | 501-50 | 14-17 Weeks | 34 lbs. | 123 lbs. |
The Lab Series cryogenic dewars earned their name for their acceptance in laboratories and medical facilities worldwide. These high-efficiency, super insulated dewars are the most convenient, economical way to store and dispense liquid nitrogen. Many lab units can be fitted with pouring spouts, pressurized dispensing devices or dippers to aid in the transfer of liquid nitrogen.
• Easy maintenance lid design
• High strength neck tube reduces liquid nitrogen loss
• Advanced Chemical Vacuum Retention System— designed for superior vacuum performance over the life of the product
• Superior strength, lightweight aluminum construction
• Advanced insulation system provides maximum thermal performance


