3M™ 6000i organic vapour filters with 3M™ Service Life Indicator technology have an end-of-life indicator (ESLI) to help users determine when to change their filters in appropriate environments. In appropriate environments, a red bar develops across the green window to help users to determine when to change their filters. When the bar crosses the window, the filter is to be changed. A peel-back label helps protect the indicator from overspray and debris.

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