3M Organic Gas And Vapour End Of Service Life Indicator Filters

Supporting the diversified technology company’s commitment to improving occupational health among the British workforce, new 3M Organic Gas and Vapour End of Service Life Indicator Filters are the first of their kind.

The product, which was recently awarded a British Safety Industry Federation award for product innovation, gives respirator wearers a clear warning of when they need to change their filters to prevent exposure to (Read More) 

hazardous gases and vapours.

Currently, some users change their filters only when they can detect contaminant odour, taste, or irritation inside the respirator, with the result that the harmful substance has already broken through, which can lead to workers developing lung diseases.

To combat this problem, 3M’s new innovation has utilised the company’s End of Service Life Indicator (ESLI) technology. The ESLI is located inside the filter next to the activated carbon. As organic vapours travel through the filter, they are also absorbed into the ESLI.

As this happens, the indicator changes colour, visually marking the course of the organic vapours through the filter. Dependant on the viewing angle, the user will either see a red bar on a green background, or vice-versa. Once the bar reaches the end-of-service line, the filter will need replacing.

The ESLI can be used as either a primary or secondary method of determining a filter change out schedule, depending upon the specific hazard and exposure level. It also enables health and safety managers to audit filter status in real-time for each individual user.

The products are compatible with all 3M Half and Full-Face Masks, so they can be used in a wide variety of applications and industries.

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