MSA Portable Pump Model G Part No 466117 Industrial Air Quailty Control Device

The MSA Portable Pump Model G, Part No. 466117. This device was developed to ensure safe, clean air in the workplace. Good air quality is essential for improving health conditions of all factory workers & laborers, especially those w/respiratory diseases. The MSA Portable Pump Model G Part No. 466117 captures air samples. The grey pump is worn on the workers waist & its long tube is stretched out & attached to their clothing at mouth level. This technique obtains samples of the air workers actually breath, as opposed to an air sampler just being mounted on the wall of building. This is the first model that factory workers could wear was used by CDC’s National Institute for Occupational Safety & Health (NIOSH) to investigate worker over-exposure to solvent vapors at the General Electric Company facility in 1973. Condition: preowned. Visible wear. The plastic part on the dial is broken. Please see pictures for exact condition. Pump only. No other parts included.