This Eisco Labs Multiple Adapter features three necks — two parallel and one at 45° — with a 19/26 socket and 45/40 cone. Made from borosilicate glass. Multiple adapters allow connection of several pieces of apparatus to a single flask, such as thermometers, addition funnels, and condensers. The three-neck design provides versatility in distillation and reaction setups. Suitable for organic chemistry laboratories and advanced glassware configurations.