Feature●Made in Japan●TM232●Standard: RL2●Particle collection efficiency: more than 95.0% (average 98.9%)●Intake Resistance: Less than 64 Pa (average 47 Pa)●Exhaust resistance: Less than 35 Pa (average 18 Pa)●Intake resistance rise: (average 73 Pa)●Weight: Less than 6.3 oz (188 g) (average 6.6 oz (168 g)Description
Product Description:
Dustproof mask that can communicate conversations and instructions with a voice transmitter.