Glove box LB-21GB is a welded stainless steel sealed container designed to alter objects in vacuum chamber. It ensures high degree of air tightness, anticorrosive and anti-shock characteristics. Photohelic pressure gauge measures and controls positive, negative or differential pressures in chamber. Decompression from antechamber aids in changing the equipment and test materials. Safety glass window provides clear object visualization. It incorporates grounded power receptacles, valves and fluorescent lamp on chamber ceiling for user convenience.