---
product_id: 489296910
title: "Stopper for Liquid Nitrogen Storage Tank, Ln2 Dewar, Cryogenic Container Plug Cap, Diameter 50 mm 2\""
brand: "rubidia"
price: "£48.30"
currency: GBP
in_stock: true
reviews_count: 1
category: "Rubidia"
url: https://www.desertcart.co.uk/products/489296910-stopper-for-liquid-nitrogen-storage-tank-ln2-dewar-cryogenic-container
store_origin: GB
region: United Kingdom
---

# Loose fit prevents dangerous pressure buildup Durable, reliable replacement cap 50mm neck diameter fits standard LN2 tanks Stopper for Liquid Nitrogen Storage Tank, Ln2 Dewar, Cryogenic Container Plug Cap, Diameter 50 mm 2"

**Brand:** rubidia
**Price:** £48.30
**Availability:** ✅ In Stock

## Summary

> ❄️ Keep your cool with the ultimate LN2 stopper — safety and reliability in one cap!

## Quick Answers

- **What is this?** Stopper for Liquid Nitrogen Storage Tank, Ln2 Dewar, Cryogenic Container Plug Cap, Diameter 50 mm 2" by rubidia
- **How much does it cost?** £48.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/489296910-stopper-for-liquid-nitrogen-storage-tank-ln2-dewar-cryogenic-container)

## Best For

- rubidia enthusiasts

## Why This Product

- Trusted rubidia brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pressure-Relief Design:** Loose fitting cap prevents pressure buildup, safeguarding your valuable liquid nitrogen storage.
- • **Durability You Can Trust:** Crafted for repeated use in extreme cold environments without cracking or warping.
- • **Backed by Reliable Support:** Manufacturer stands behind the product with responsive customer service and satisfaction guarantee.
- • **Seamless Replacement Solution:** Perfect for quick, hassle-free swaps to keep your LN2 Dewar fully operational.
- • **Precision Fit for Cryogenic Safety:** Engineered to snugly fit 50mm (2") necks, ensuring secure containment without leaks.

## Overview

This 50mm diameter stopper is designed specifically for liquid nitrogen storage tanks, featuring a loose fit to prevent pressure buildup. It serves as a durable, reliable replacement cap for LN2 Dewars, ensuring safe containment of cryogenic liquids. Note: tank not included.

## Description

1. Stopper / Cap for liquid nitrogen storage tank. 2. Neck diameter: 50 mm (2"). 3. Loose fitting to avoid pressure buildup. 4. Cap only, tank is not included.

## Features

- Stopper / Cap for liquid nitrogen storage tank.
- Neck diameter: 50 mm (2").
- Loose fitting to avoid pressure buildup.
- Cap only, tank is not included.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 5.0 out of 5 stars 1 Review |

## Images

![Stopper for Liquid Nitrogen Storage Tank, Ln2 Dewar, Cryogenic Container Plug Cap, Diameter 50 mm 2" - Image 1](https://m.media-amazon.com/images/I/71ptpft8HuL.jpg)
![Stopper for Liquid Nitrogen Storage Tank, Ln2 Dewar, Cryogenic Container Plug Cap, Diameter 50 mm 2" - Image 2](https://m.media-amazon.com/images/I/71Fip-ImAiL.jpg)
![Stopper for Liquid Nitrogen Storage Tank, Ln2 Dewar, Cryogenic Container Plug Cap, Diameter 50 mm 2" - Image 3](https://m.media-amazon.com/images/I/61Ktegf+KfL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***C on August 23, 2024*



## Frequently Bought Together

- Stopper for Liquid Nitrogen Storage Tank, Ln2 Dewar, Cryogenic Container Plug Cap, Diameter 50 mm 2"
- Stainless Steel Integrated Liquid Nitrogen Transfer Scoop – Durable & Leakproof Design for LN2 Dewar Tanks & Storage Vessels.‌Ø1.5"×20" (38mm×L500mm)

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**Shop now:** [https://www.desertcart.co.uk/products/489296910-stopper-for-liquid-nitrogen-storage-tank-ln2-dewar-cryogenic-container](https://www.desertcart.co.uk/products/489296910-stopper-for-liquid-nitrogen-storage-tank-ln2-dewar-cryogenic-container)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-18*