Nose Cup Assembly (6894). Offers versatility for many environments and applications and helps provide respiratory protection against a wide variety of gases and vapors when used approved cartridges and filters. Unique center adapter to direct exhaled breath and moisture downward, helps reduce debris from depositing in the valve and allows for quick and easy cleaning. Large lens for wide field of view and excellent visibility. 3M Cool Flow Valve for cooler, drier comfort. Lightweight, well-balanced design with silicone faceseal for enhanced comfort and durability. Air purifying respirator (APR), supplied air (SA) and powered air purifying respirator (PAPR) modes. NIOSH Approved.