Premium 12mm Borosilicate Clear Glass Blowing Tubes 2.2mm thick wall (4 inch, 5)
Special Features
- Superior Borosilicate Clear Glass Tubes
- Fire Polished Ends for Safe, Smooth Handling
- Designed to Endure Extreme Temperatures
- Eco-Conscious, Reusable, and Easy to Clean
- Perfect for Labs, Schools, Factories, Art, and DIY Projects
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