Products Description It has good comfort and fit, and its new generation of soft and comfortable ear straps improve the comfort when worn; Using high-efficiency electrostatic filter cotton, with low respiratory resistance, the filtration efficiency for non oily particles is not less than 95%; Innovative 3D three-dimensional nose pad design, suitable for nose curves, can provide good sealing without the need for nose clips, and can help reduce fogging of glasses caused by humid and hot exhalation. Can be used to protect against metal fumes such as dust, non oily mist, welding fumes, lead fumes, casting fumes, silicon dust, and certain heavy metal dust. item FT-N041 dust mask with valve Place of Origin China Jiangsu Brand Name Fangtian Type Disposable Style Non-Woven Face Mask Color White Material Non-woven Fabric+ Melt-blown Usage Protective Purpose Function Anti-dust-smog-virus-pollen Feature Comfortable to wear…