N95 4 Layer Breathing Valve Dustproof Anti-Virus Fog Pathogen Mask

Specification Name:N95 4 Layer Breathing Valve Dustproof Anti-Virus Fog Pathogen Mask Material:nonwoven fabric Color: white Mask level: N95 Layer: 4 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. Professional air valve, smooth breathing Fabric properties, effectively intercepting harmful substances such as PM2.5 Prevent dust from entering the mask Comfortable, soft material The drawstring is elastic and stretchable Comfortable to wear Application: anti-PM2.5, anti-fog, dustproof, anti-bacteria, anti-formaldehyde How to use? 1. Open the mask and pull the ear straps with both hands so that the nose clip is above the mask. 2. Use a mask against the chin 3. Pull the ear strap to the ear and adjust 4. Adjust the mask fit according to the face shape, press the nose clip with both hands, exhale the mask to check the fit, and find that there is a leak to re-adjust the mask. Package included: 1 x mask