Product Description This disposable N100 particulate respirator is designed to help provide comfortable, reliable worker respiratory protection against certain non-oil based particles. Features 3M™ Cool Flow™ Valve, foam faceseal, adjustable straps and individual packaging. NIOSH's highest rated filtration efficiency in a disposable respirator N100 3M™ Cool Flow™ Exhalation Valve reduces heat build-up inside the respirator Compatible with a variety of protective eyewear and hearing protection Adjustable noseclip reduces potential for eyewear fogging Individually packaged Advanced Electrostatic Media is designed for ease of breathing 3M™ Particulate Respirator 8233, N100 is 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. Recommended applications include foundry operations, grinding, petrochemical manufacturing, processing of minerals, and welding. Industries in which this respirator is commonly used includes construction, general manufacturing, mining, oil and gas, and transportation. 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 N100 (99.97%) filter efficiency. 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. NIOSH, a Federal government regulatory agency, has tested and approved the 3M Particulate Respirator 8233, which is designed to help reduce exposure to certain airborne particles. * Please note that orders for specific products, such as respiratory protection, disposable gloves and disposable clothing, during a domestic or international pandemic outbreak, natural disaster or terrorist attack cannot be canceled and are non-returnable once the product has been shipped from our warehouse. ("Shipped" is defined as once your order has been assigned a UPS Tracking number) If you have any questions regarding this policy please contact customer service for specific details before you place your order.