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❄️ Seal your cryo tank with confidence — don’t let pressure burst your bubble!
This 50mm diameter stopper is a durable, loose-fitting cap designed specifically for liquid nitrogen storage tanks (LN2 Dewars). It prevents pressure buildup while providing a reliable seal, making it an essential replacement accessory for maintaining cryogenic containers safely and effectively.
| Customer Reviews | 5.0 out of 5 stars 1 Review |
J**C
Company stands behind the product
We purchased this cap as a replacement for a cracked cap on our dewer. It was too small, so we had to return it. The company stood behind the product and offered us a refund. I would do business with them again.
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