10pcs Particle Filter cotton-3701CN Filter Cotton Half face dust mask Accessories, dustproof and efficient Filter Cotton

Description

Material: High-efficiency electrostatic filter cotton Effective filtering of various dust particles can extend the life of the dust box. Suitable for 3701 series cotton filter respirators. Health and Economics-Changing the filter allows for good ventilation inside the mask, making your breathing easier and healthier. This is a more economical and environmentally friendly method, as filters need to be changed only if the mask does not work properly. Note: Filter cotton can be used normally for 7 working days. If the surface becomes dirty, you will feel severe resistance when breathing. Replace the filter. Package includes: 10 granular filter cottons