3M - Full Face Respirator - Large - 6900. 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. The 3M Full Facepiece Reusable Respirator 6000 Series helps provide protection against certain airborne contaminants. Versatile-use with 3M particulate filters, gas/vapor cartridges and supplied air respirator sys. Features: - Large lens provides a wide field of view for easier visibility^Lightweight well-balanced design and silicone faceseal enhances comfort, durability and ease of cleaning^Available in air-purifying and supplied air respirator modes^Exceptional 99.97% filter efficiency meets NIOSH P100-series test criteria^"Advanced 2200 Series filters last up to twice as long as standard filters "