3M™ Powerflow™ High Efficiency SP3 Particulate Filter 450-01-01R20 is NIOSH approved and helps provide high efficiency respiratory protection in environments containing particulates. The filter is intended for use with 3M™ Powerflow™ Powered Air Purifying Respirator Systems. Powered Air Purifying Respirators are motorized systems powered by a battery pack which draw air through a filter or cartridge to provide respiratory protection to the wearer. The blower unit can be mounted on the waist, face, or head, depending on the system selected.
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