Smallest Exhalation Valve(MM-VA14)

• Model
• MM-VA14
• Content
• PP + Environmental Protection Rubber
• Color
• White or other
• Outer Size
• 31.5MM
• Hole Size
• 23.5MM
• Rubber Size
• 20MM

Applications: this smallest exhalation valve is suitable for all kinds of Dust Masks, also be called as breather valve, dust mask breating valve.