Replace your broken or lost neck tube core. The dewars (except for the 4 liter size) come with a standard lid, also called the "neck tube core". It is both a mechanical cover for the opening and an insulating cover for the top of the dewar, but it is loose enough for the nitrogen to be able to boil away without pressure buildup.

Dewar cap replacements will keep your Brymill Cryogenic Systems liquid nitrogen storage dewar safe at maximum performance. Find a distributor.

Replacement cap for Dewar storage. Fixes worn or damaged caps to keep liquid nitrogen safe and effective. Specify dewar details. The sale price is $128.00.

Order Dewar Cap For MVE Dewars by Brymill Cryogenic Systems 501-DC-2.15

Brymill Replacement Dewar Cap for MVE LAB Series LN2 Storage Tanks, BRY501-DC. Worn and damaged dewar caps diminish the performance of your Brymill liquid nitrogen storage dewar and pose safety risks.

Worn and damaged dewar cap should be replaced for best results. Easily maneuver your LN2 dewars and avoid accidents with this roller base. Brymill offers a variety of liquid nitrogen storage equipment including liquid nitrogen storage dewars, dewar cap replacements, and a …

Specifically designed to fit Taylor Wharton by IC Biomedical LD10 Liquid Nitrogen LN2 Dewars.

With replacement caps and neck tube cores, IC Biomedical LN2 dewar users gain flexibility to customize their storage setups while ensuring optimal sample preservation.

Replace worn & damaged dewar caps to ensure optimal performance & safety! Compatible with Brymill liquid nitrogen storage dewars. Warranty included.

Liquid capacities range from 4 liters to 50 liters. These Dewars are designed for storing and dispensing small quantities of liquid nitrogen. Easy to use cap or the neck tube core assure easy access and low thermal loss without unnecessary exposure to the cryogen.