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PureAire’s mission is straightforward — keep people safe. For over 25 years, we have been an industry leader in manufacturing high-quality, accurate, and reliable oxygen deficiency and toxic gas monitoring equipment. PureAire combines innovation and ...

The GeoVISION brand of borehole video camera systems was born in 1989. At the time there were no small portable systems on the market. Driven by friends who were hydrogeologists, Frank Marks, owner of Marks Products, Inc. began developing the ...