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Nalgene Shatterproof Dewar Flasks

Thermo Scientific Nalgene Shatterproof Dewar Flasks are used for short-term storage of ice water, dry ice-solvent and liquid nitrogen. Made of a high density polyethylene, the Chemical-resistant HDPE double walls are filled with CFC-free urethane foam and are meant for extreme temperature incubation, withstanding temperatures from -196°C to 100°C.

The flasks include a vented, insulated cover made of high-density polyethylene. All sizes feature molded-in ribs, cover securing tabs, pour spout, and bottom grip area for increased safety. A convenient, bail-type handle is also polyethylene-coated.

It is important to not use cryogenic vials for storage in the liquid phase of liquid nitrogen unless properly sealed in Nunc CryoFlex™ tubing. Storing liquid nitrogen in the cryogenic vials may cause entrapment of liquefied nitrogen inside the vial and cause pressure build-up resulting in possible explosion or biohazard release.

Safety procedures and guidelines are available in the Nalgene Cryopreservation Manual, which includes vital handling and disposal procedures.

Key Features

  • HDPE flask body and cover lid, including a polyethylene handle
  • Flasks are shatterproof and can withstand extreme temperatures ranging from -196C to +100C
  • Applications for use include short-term storage of ice water, dry ice solvent and liquid nitrogen
  • Chemically resistant with a capacity of up to 10L for some models

Filter
Item Capacity- L Height- mm ID- mm Inside Depth- mm Unit of Measure Price Purchase
EF2933B
4150-2000
2 260 121 225 Pack of 1
$245.95
Call for Availability In Stock
EF2933A
4150-1000
1 229 95 194 Pack of 1
$241.95
4 In Stock 4 In Stock
EF2933C
4150-4000
4 353 158 295 Case of 2
$534.95
Call for Availability In Stock
EF2933D
4150-9000
10 457 197 394 Case of 1
$511.95
Call for Availability In Stock

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