Lightweight well-balanced design with silicone faceshield for enhanced comfort, durability and ease of cleaning. Combine with appropriate 3M particulate filters or cartridges (sold separately) to help provide respiratory protection… [Read more] against particulates and/or a variety of gases and vapors. Features a large lens for a wide field of view, a silicone face seal for great comfort and durability, and a 3M Cool Flow™ Valve to provide cool, dry breathing comfort. 4/case.