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These simple, lightweight, well-balanced reusable respirators offer reliable respiratory protection against a range of gases, vapours, and particulates typically found in a variety of industries. Reusable respirators combine a long-lasting, reusable facepiece with the economy of disposable masks through the incorporation of disposable filters. Built-in exhalation valves can be used to check seal, and adjustable harnesses keep these masks securely on the head or around the neck when not in use.