Product Information
- 🌎Perfect for Teaching demonstration and DIY players, collecting, and making unique gifts
- 🌎 Use a vacuum pump to vacuum, filter out the impurity gas at a high temperature, and then use a diffusion pump to form a vacuum inside the glass tube, and then inject a rare small amount of 99.9% purity of the electric light source grade gas.
- 🌎 Glass tube is made of high borosilicate, weather-proof and high temperature. does not release impurity gas. Overall dimensions: Diameter 0.8 inches x length 4.72inches. Single weight of glass tube :0.57oz
- 🌎Double buffer package, Different excitation devices excite different effects and brightness
- 🌎If you have any questions, you can contact us and we will reply you within 18 hours, including the standard use and related knowledge
