This Desiccator Vacuum is equipped with a Glass Lid and Stopper, creating an air-tight seal that effectively maintains a regulated and isolated climate. By protecting moisture-sensitive materials from humidity, it ensures their preservation. Made from Neutral Glass, Dye Pressed with Porcelain perforated plate, and glass sleeve, this Desiccator Vacuum with Glass Lid is an ideal choice for substances that are sensitive to moisture and require a low-humidity environment.