Laboratory glass adapters are used to connect different types of glassware equipment together. They are made up of glass and plastic. It is used to create a leak-proof connection between two different pieces. Laboratory Adapter come in different shapes and sizes. They can be curved, or straight. They are used for a wide range of laboratory uses, including distillation and filtration as well as titration. To prevent leaks or breakage always ensure that the adapters are properly fitted and tightened.