Shigematsu Exhalation Valve DD11V-S2

Item Feature :

• Standard : DS2
• Particle Collection Efficiency (%) : 95.0 or more
• Usage Duration : 15
• Weight (g) : 21 or less
• Inhalation Resistance (Pa) : 55 or less
• National Certification Acceptance Number : No. TM462
• Exhaust Resistance (Pa) : 40 or less
• Type : Two string expressions