This half facepiece reusable respirator offers reliable and convenient respiratory protection and is suitable for many situations, helping provide protection against particulates and a wide variety of gases and vapors according to NIOSH approvals. Compatible and convenient respiratory protection. Half facepiece reusable respirator. Offers reliable, convenient respiratory protection when combined with particulate filters or cartridges (such as organic vapor/acid gas cartridges) or dual airline system. Comes with reclosable storage bag. When properly fitted, helps provide respiratory protection from a variety of gases, vapors and particulate hazards at concentrations up to 10 times the permissible exposure limit (PEL).