Enhance your laboratory glassware setup with this set of 4 premium glass downstems featuring built-in diffusers. Each 14.5mm downstem is precision-crafted from high-quality borosilicate glass for superior durability and thermal resistance. The innovative diffuser design promotes optimal flow and functionality in laboratory applications. These versatile glass adapters measure approximately 120mm in length and include a funnel-style top for easy filling. The smooth, professional-grade finish ensures reliable performance in various scientific and kitchen applications. Perfect for chemistry setups, distillation processes, and other technical procedures requiring precise liquid transfer. The standardized 14.5mm od2mm joint size ensures compatibility with common laboratory equipment. This set provides excellent value with multiple replacement pieces for your essential glassware collection.