【Ergonomic Design】The gas masks survival nuclear and chemical adopts food-grade silicone material, comfortable and soft. The full face respirator mask fits perfectly on our face and provides a full seal of protection. 【Safe & Efficient】The gas mask comes with an adjustable headband that can be adjusted for size to ensure a full seal. The face screen of the gas mask is designed with anti-fog and impact resistance. The full face respirator mask with a speaking unit, which makes it easier to talk. 【40mm Filter & P-A-1 Filter】The respirator mask with 40mm activated carbon filter and P-A-1 activated carbon filter have a filtration efficiency of 99.97%. Effective filtering chemicals, gases, paint, organic steam, dust, particulate matter, and so on. 【Widely Used】The gas masks survival nuclear and chemical filters the air and gives you safe air. It's often used to chemicals, industrial, emergency, laboratory, woodworking, spray paint, sanding, machining, welding, epoxy resin, cleaning, polishing, etc. 【Excellent Service】If you need any help, please feel free to contact us, we will be the first time to provide you with help and satisfactory service. Package includes: 1 x Full Face Gas Mask, 1x 40mm Activated Carbon Filter, 2x P-A-1 Filter Cartridges, 4x Filter Cottons, 2x Filter Covers.