A disposable particulate respirator that is designed to help provide reliable respiratory protection of at least 99.97 percent filtration efficiency against certain non-oil based particles. Soft inner material provides added comfort while the cup shape design makes the respirator spacious and durable. Adjustable noseclip reduces potential for eyewear fogging. Fully adjustable head straps help provide a secure seal. The respirator incorporates 3M’s proprietary technology with advanced electrostatically charged microfiber filter media designed for ease of breathing. This respirator is compatible with a variety of protective eyewear and hearing protection. 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. Recommended applications include foundry operations, grinding, petrochemical manufacturing, processing of minerals, and welding. Respirator helps provide protection against certain OSHA substance specific contaminants including lead, MDA, arsenic, and cadmium (excluding asbestos). Breathing hazardous particles can pose a risk to your health.Note: This is a non-returnable item.