We need to talk. Every year we use Valentine’s Day as an opportunity to talk about our love for respirators and personal protective equipment (PPE). We’ve had some good times frolicking through the standards and maintenance requirements. But today we need to address what happens when it’s just not working anymore. We have to discuss the end-of-service-life of your respirator’s cartridges or canisters. End-of-service-life is when a respirator can no longer provide the expected level of protection to the user. Hey, we’ve all been there. Your filter medium is clogged. Breathing while wearing the respirator may have become difficult; or
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