The type MF14 gas mask is a novel design gas mask, whose canister is connected directly to the face piece. When the air is a contaminated NBC agent, the gas mask provides effective protection to the wearers respiratory organs, eyes and facial skin. The gas mask is designed for the military, police and civil defense and can also be used in industry, agriculture, storehouses,scientific research work, etc. MF14 type gas mask is head-band mask with injection moulding technology and Frosted surface, which can be used in combination with chemical protective clothing with clear voice transmission and low loss of voice transmission. The sealing frame adopts reverse folding structure, which is comfortable to wear and has good dynamic air tightness. It can be used for more than 95% of adult citizens, and the face screen is coated on the reinforced polycarbonate surface with anti fogging treatment. It has wide vision, good optical and impact resistance. The anti dimming adopt yin edema hood structure with good performance , the Headband can be adjusted and tightened at will.