The Citeco A1+P2 Half Mask Respirator provides A1 Vapor Protection and P2 Particle Protection as per Australian Standard AS/NZS 1716:2012. Ideal for Protection from Vapors such as solvents, Paints & Thinners (A1) & 94% Filtration Protection from Mechanically Generated Particles Smaller than 1 Micron from processes such as Cutting, Grinding, Sanding, Drilling, Sawing and Thermally Generated Particles such as Welding Fumes, Fertilizers & Bushfire Smoke (P2)The Citeco A1+P2 Half Mask Respirator also features an Exhalation Valve for Improved Comfort in Hot & Humid Conditions and Low Profile Filter Fitment for Unobstructed Vision. Always use & replace both filters / cartridges. These filters are designed to be used by trained personnel or used under the supervision of trained personnel. Always check the seal of the respirator on your face before entering a contaminated area. If you cannot achieve a proper fit, DO NOT enter contaminated areas. Failure to follow all instructions and limitations for the use and or wear of this respirator during times of exposure can reduce respirators effectiveness. To store the respirator when not in use, leave it in the packaging provided in a dry, clean environment, away from direct sunlight, sources of high temperature, petrol & solvent vapours. When stored correctly, expected shelf life is 5 years from the date of manufacture. End of shelf life is marked on packaging and product.