RAVIRANDAL Reusable Half Face Respirator, Gas Cover Organic Vapor Mask and Dust-proof Face Cover Humanized Design :  Professional Multifunctional gas mask, half mask, double filtration, high filtration effect, high performance.  Designed specifically for facial structure and nose bridge, it fits perfectly with the face, conforms to ergonomic structure and design. Excellent Quality: The product is made of food-grade silicone, non-toxic, soft, comfortable, durable, safe and healthy.  Adopting the and circulatory system, after wearing a gas m?sk, it will effectively eliminate any traces of organic chemical vapor or dust. High Durability :  The product can be reused and the work can be completed without frequent replacement.  Comes with 2 pairs of high efficiency filter cotton to solve the dilemma you need to use urgently Wide Scope of Application :  Suitable for a variety of work occasions, can prevent various harmful substances, such as organic gases and vapors, epoxy resin, alcohol and carbon dioxide.  Gas m?sks are widely used in paints, chemicals, polishes, pesticide sprays, chemical experiments, interior decoration, car repairs, fire emergency, oil extraction, mining and metallurgy, or as welding. The Package Includes :  1 half mask, 2 filter boxes, 8 filter cottons, and 2 plastic covers.