Product Description

National Certification Passed Number: TM203.
DOP particle collection efficiency (%): 92.0 and above.
Intake / Exhaust Resistance (Pa): Less than 70/less than 70

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From the Manufacturer

DR77RBP Replacement Dust Mask

DOP particle collection efficiency (%): 92.0 and above.

Intake / Exhaust Resistance (Pa): Less than 70/less than 70