The HC Series High-Capacity Dewars are designed to meet the demands of long-term cryogenic storage where space, security, and performance matter most. Featuring a rugged ribbed aluminum body and a magneformed necktube for added strength, these freezers ensure reliable structural integrity. An intuitive numbered index ring and tapered canister locator streamline organization and retrieval. With advanced super insulation for superior vacuum performance and a lockable lid for sample protection, the HC Series delivers peace of mind and maximum efficiency in any cryogenic storage application.