HDPE Dewar Flasks

Nalgene 4150 High Density Polyethylene (HDPE) Dewar Flasks with Lid and Handle are for storing samples in liquid nitrogen, dry ice-solvent mixtures or ice water. High density polyethylene base and HDPE cover with polyethylene coated handle for strong, shatterproof performance. Double-walled sides and CFC-free foam urethane insulation minimize heat leakage so samples stay...