Activated Carbon Breathing Valve Mask Dustproof Anti-PM2.5 Anti-fog Dustproof Anti-bacteria Anti-formaldehyde

Features: Soft and breathable, sweat-absorbing and anti-allergy The design of the cold flow breathing valve is automatically opened when breathing, and the heat inside the outlet cover is taken, and it is automatically opened when inhaling. Prevent dust from entering the mask Sealed aluminum strips to fit each different nose The drawstring is elastic and stretchable Comfortable to wear Application: anti-PM2.5, anti-fog, dustproof, anti-bacteria, anti-formaldehyde Material: Activated carbon nonwoven fabric Color: gray Size: 12 x 12cm (after folding) Mask level: N95 Package included: 1 x Activated Carbon Breathing Valve Mask Detail Pictures: