3M™ particulate respirator 8212, N95 is a disposable particulate respirator that is designed to help provide reliable respiratory protection for applications such as welding or soldering where metal fumes may be present. This welding respirator provides at least 95% filtration efficiency against certain non-oil based particles. cake-resistant filter layers reduce the caking of particles on the respirator surface. Soft inner material provides added comfort while the cup shape design makes the respirator spacious and durable. Adjustable nose clip reduces potential for eyewear fogging. Fully adjustable head straps help provide a comfortable and secure seal. This respirator is compatible with a variety of protective eyewear and hearing protection. Recommended applications include welding, torch cutting, brazing, soldering and metal pouring. Fitted with a 3M™ cool Flow™ exhalation valve, this respirator is ideally suited for work situations involving heat, humidity or long periods of wear. The proprietary 3M™ cool Flow™ valve is designed to release hot, humid exhaled breath quickly, helping to prevent an unpleasant build up of heat inside the facepiece a significant cause of discomfort to respirator wearers. This particulate respirator is NIOSH (national Institute for occupational safety and health) approved for environments containing certain non-oil based particles and provides P95 (95%) filter efficiency. The respirator is also flame-resistant as demonstrated per modified ASTM D2859 (not a substitute for a faceshield .