Close Negative Pressure Weighing RoomClosed negative pressure weighing room is a special equipment that can effectively control the toxic and dust in the work area. It is suitable for occasions like sampling,Website: , weighing, analysis, sub-packaging, scientific experiments, hospital laboratory, etc. It can protect the operators and environment of the work area. The bag-in and bag-out air filters inside the exhaust device (out of the equipment) can protect the atmospheric environment.