Glove boxes are designed for use in controlled athmosphere  or for used with hazardous material. Provide a leak tight environment for work with contamination sensitive materials. Protector Controlled Atmosphere Glove Boxes provide a leak-tight environment to perform work with contamination-sensitive materials under vacuum or in an inert environment. Fiberglass-lined models are performance tested to maintain oxygen levels a low as 0.4 ppm and moisture levels as low as 2 ppm. Stainless steel-lined models are performance tested to maintain oxygen levels as low as 0.2 ppm and moisture levels as low as 1 ppm.