3m reusable full face mask 6000 seriesThis reusable full face mask is lightweight and comfortable to use. Combine it with 3M dust filters or cartridges allowing it to help protect breathing from dust particles and or various gases and vapors. Features Large lens for a wide field of vision Lightweight, balanced design Silicone face seal for increased comfort and durability Four strap attachment, easy to put on and take off 3M Cool Flow Valve for easier breathing and less heat and moisture