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. This series combines comfort and convenience Comfortable soft, lightweight facepiece with easy-to-adjust head straps NIOSH approved for negative pressure air purifying and supplied air dual airline applications Can be disassembled, cleaned and reused Replaceable cartridges and filters allow reuse of facepiece for cost savings