It is durable and comfortable to use.
It is a side band type that is easy to put on and take off, and the belt length can be automatically adjusted.
Equipped with an exhaust valve. Particle collection efficiency: 99.7% on average
Intake/exhaust resistance: Average 32.8/29.8 Pa
Weight: 17g on average
Usage time limit: 20 hours
National Certification Number: No. TM282
Quantity: 1 box (10 pieces)
Category: DS2
