Feature(may vary by option.)

●Particle collection efficiency: More than 95.0%.
●Inhale Resistance: Less than 50 Pa.
●Exhale resistance: Less than 36 Pa.
●Weight: Less than 0.5 oz (14.1 g).
●Time Limit for Use: 15 hours.
●Quantity: 10 masks.

[Single Item]

Description

Exhalation exhaust valve
Resistant to stuffiness.
The tightening strap can be adjusted while the mask is attached.
Comes with 3D face cushioning with excellent moisture absorption.
Adjustable drawstring