✔This premium laboratory glassware set features a 14mm compatible borosilicate glass tube crafted for precision and durability.✔ The thick-walled construction ensures stability during use while maintaining excellent thermal resistance. The kit includes 2 solvent alcohol dispensers and comes complete with 6 specialized cleaning brushes for thorough maintenance. ✔The clear borosilicate glass provides excellent visibility for monitoring contents and processes. ✔Perfect for laboratory applications, this comprehensive set delivers professional-grade quality for scientific work.✔ The included cleaning brushes are specifically sized to ensure proper maintenance and longevity of the glass components.✔ Each piece is carefully manufactured to meet laboratory standards, making this set an essential addition to any scientific workspace. ✔The dual dispenser configuration allows for efficient handling of multiple solutions when needed.