![Protective masks: 3M Organic Vapor Service Life Indicator Cartridges](https://drh6hn78z759f.cloudfront.net/userfiles/blog/2016/09/end-of-service-life-indicator.jpg)
Protective masks: 3M Organic Vapor Service Life Indicator Cartridges
SPI8/29/2016
The 3M™ Organic Vapor Cartridges 6001i and 3M™ Organic Vapor/P100 60921i contain a visual ESLI (end-of-service-life indicator) for certain organic vapors and exposure concentrations to help you determine when to change the cartridges of your protective mask.