Cole-Parmer PolarSafe® Cryogenic Storage Dewar

Facilitating cryogenic management, these PolarSafe® storage dewars come with stainless steel racks to accommodate boxes or canisters (depending on model). With high thermal efficiency, each unit provides long term storage in liquid nitrogen for up to 200 days without refill, under normal operating conditions (may vary by model). 

The 95L and 115L models feature a lockable lid with temp and fluid level display. 

Enhance monitoring and ease of transportation with these Cole-Parmer® Polarsafe® Dewar Accessories which includes Smart Caps, trolleys, dewar monitor, and level rulers.