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3MR450-01-01R20 / 450-01-01R20 FILTER HEPA SP3 FOR POWERFLOW 3M™ Powerflow™ offers superior mobility, reducing physical stress and increasing worker productivity. This powered air purifying respirator has a positive pressure, constant flow motor/airflow unit and HEPA filter mounted directly at the front of the face. Rechargable nickel cadmium battery pack offers 8 hours of continous use. NIOSH approved.
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