... ,CEcertificate,GB2890-1995 3.supply sample MF11B type gas mask1. Product Information The type MF11B gas mask is a novel design ... be used in industry, agriculture, storehouses, scientific research work, etc.MF11B gas maskProduct featuresHead harness typeWith voicemeter , comfortab to wearFacepiece moulded ... three sizes, (small, medium, large)9)Packing: Carton box MF11B activated carbon filter gas mask
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