---
product_id: 362010781
title: "stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 19/22 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (19/22 Joint, 1 Pack)"
brand: "stonylab"
price: "€ 27.51"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/362010781-stonylab-hex-head-hollow-glass-stopper-for-sealing-lab-glassware
store_origin: NL
region: Netherlands
---

# Heat Resistant 19/22 Joint Airtight Seal stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 19/22 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (19/22 Joint, 1 Pack)

**Brand:** stonylab
**Price:** € 27.51
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal the Deal with Confidence!

## Quick Answers

- **What is this?** stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 19/22 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (19/22 Joint, 1 Pack) by stonylab
- **How much does it cost?** € 27.51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/362010781-stonylab-hex-head-hollow-glass-stopper-for-sealing-lab-glassware)

## Best For

- stonylab enthusiasts

## Why This Product

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

## Key Features

- • **🧼 Easy to Handle:** Hexagonal head and side grooves make for effortless handling and cleaning.
- • **💡 Lightweight Innovation:** Hollow glass design reduces weight without compromising on seal integrity.
- • **🔒 Secure Your Experiments:** Designed for a perfect fit with 19/22 outer joints, ensuring airtight connections.
- • **🛡️ Peace of Mind Guarantee:** Enjoy a 1-year coverage period; we’ve got your back if anything goes wrong.
- • **🌡️ Heat & Chemical Resistant:** Durable glass withstands temperatures up to 200°C, perfect for rigorous lab environments.

## Overview

The stonylab Hex Head Hollow Glass Stopper is expertly crafted for sealing lab glassware with 19/22 outer joints. Its lightweight, hexagonal design ensures easy handling and cleaning, while its durable glass construction is resistant to chemicals and heat up to 200°C. With a 1-year coverage period, this stopper is a reliable choice for any laboratory setting.

## Description

stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 19/22 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (19/22 Joint, 1 Pack)

## Features

- Designed for sealing lab glassware with 19/22 outer joints, ensuring a secure and airtight connection in laboratory experiments
- Hollow glass stopper for reduced weight while maintaining a tight seal
- Hexagonal head allows easy handling and cleaning, with side grooves to prevent slippage
- Made from durable glass, resistant to chemicals and heat up to 200°C, reusable and long-lasting
- 1-year coverage period for your peace of mind, if received damaged, please let us know and we will solve it promptly

## Product Details

- **Material:** Borosilicate Glass
- **Thread Size:** 0.65 inch
- **Exterior Finish:** Borosilicate Glass
- **Manufacturer Grade:** heavy-duty
- **Head Style:** Hex

## Images

![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 19/22 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (19/22 Joint, 1 Pack) - Image 1](https://m.media-amazon.com/images/I/51kRMsMEIwL.jpg)
![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 19/22 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (19/22 Joint, 1 Pack) - Image 2](https://m.media-amazon.com/images/I/7133jlsYWqL.jpg)
![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 19/22 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (19/22 Joint, 1 Pack) - Image 3](https://m.media-amazon.com/images/I/51Hrc85nEfL.jpg)
![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 19/22 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (19/22 Joint, 1 Pack) - Image 4](https://m.media-amazon.com/images/I/515jI3V2HuL.jpg)
![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 19/22 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (19/22 Joint, 1 Pack) - Image 5](https://m.media-amazon.com/images/I/71HYl87qVNL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 19/22 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (19/22 Joint, 1 Pack)
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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-24*