<b>FEATURES:</b> <br> <br> <br> 1. The sealing edge is made from food-grade elastic silicone gum, which fits the face well, provides you with a comfortable wearing feeling. The soft silicone will not make your facial skin feel uncomfortable<br> <br> 2.The half facepiece cover for dust adopts double filtration system that can effectively obstruct pollen, dust ,lead paint ,asbestos and other particles in the air. It is the ideal protective device for your life and work <br> <br> 3. The half facepiece strap belt are suitable for most head sizes, designed for tight and comfortable wearing. This half facepiece is designed for most head sizes.<br> <br> 4. Work areas with chemicals, glass, metal, paint, agriculture.The half facepiece protective against particles in mechanical work such as welding, sawing, grinding, graffiti etc.<br> <br> <br> <b>NOTICE:</b> <br> <br> <br> We recommend that you change the filter cotton every eight hours of work. <br> When you feel that the breathing resistance becomes larger, the filter cotton is dirty, and it is damaged, you need to replace the filter cotton in time.<br> <br> <br> <b>PRODUCT PACKAGE:</b> <br> <br> <br> Package Includes：1x half facepiece cover , 2 x 2091 P100 filter cotton. We are committed to ensuring that you are 100% satisfied. If you have any questions, please contact us directly. We will provide great after-sale support.