The Ventis without pump has been certified by MSHA under Title 30 CFR, Part 22 when used with the standard or extended runtime lithium-ion battery packs. The Ventis with pump will receive MSHA approval later this year, according to Industrial Scietific. The lightweight and configurable Ventis is capable of detecting from one to four gases including oxygen (O2), methane (CH4) and any two of the following toxic gases: carbon monoxide (CO), hydrogen sulfide (H2S), nitrogen dioxide (NO2) and sulfur dioxide (SO2). www.indsci.com/ventis

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