This full facepiece reusable respirator offers lightweight comfort and ease of use. Combine with appropriate 3M particulate filters or cartridges to help provide respiratory protection against particulates and/or a variety of gases and vapors. Large lens provides a wide field of view for excellent visibility Lightweight well-balanced design and silicone faceseal for enhanced comfort, durability and ease of cleaning Available in air-purifying and supplied air respirator modes Center adapter directs exhaled breath downward 3M Cool Flow Valve makes breathing easier to provide cool, dry comfort