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Being able to breathe without inhaling dangerous particulates and vapors is crucial to respiratory safety. Many workers using respirators for jobs involving construction, often wonder how long their respirator filters last before they should be replaced. The actual answer is “it depends,” but that’s because much of it is relative to the environment in which they are being used. While different filters have different capabilities and limitations, the filter or cartridge cha …

The variety of jobs and tasks our customers set out to do continually amazes me. Here is a query from a recent customer about his task: In an upcoming job I will be melting lead and spraying acrylic and lacquer based paints. What mask and filters do you recommend to protect me from the fumes associated with these tasks? How does sizing on the masks work? For the lead fumes I suggest using a P100 (HEPA) filter such as the 3M 2091 Particulate Filter or the 3M 7093 P100 HEPA filte …