Our free 3M Select and Service Life Software can help make selecting the appropriate respirators faster and easier. Just enter contaminants and their concentrations and the software analyzes the data and provides a record of your choices. The software can also help you estimate the service life of 3M Respirator Cartridges, which aid in maintaining you OSHA-required cartridge change schedule for gas and vapor cartridges. NIOSH approved for protection against certain organic vapors or acid gases. Swept-back design allows an enhanced field of view and comfort. Bayonet compatibility allows use with many 3M half and full facepiece designs. Wide range of applications reduces inventory needs.