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PERSONAL PROTECTIVE EQUIPMENT |
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Class 3 - Combination |
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Another type of respirator is becoming more popular. It is a device that
combines an air-line respirator with an auxiliary air-purifying attachment to provide
protection if the air supply fails. These respirators are available in either continuous-flow or pressure-demand flow and are most often used with a high-efficiency filter for air purification. Use in the filtering mode is allowed for ESCAPE ONLY. Because of the positive-pressure and escape provisions, these respirators have been recommended for asbestos work. |
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