3M Mask against chemical substances 4279+ – for protection and high breathability when using herbicides and pesticides, during cleaning tasks with chemicals, or when using solvent-based paints. The maintenance-free, reusable half mask is ready to use immediately and can be used multiple times – until damaged, the particle filters are clogged, or the gas filters are saturated. It protects during DIY projects around the house and garden and can provide ABEK1 protection against certain organic and inorganic gases and vapors, acidic gases, ammonia and its derivatives, as well as P3 protection against high loads of fine dust and against oil or water vapors. It features a double inhalation valve, large activated carbon filters, and an exhalation valve with low resistance, allowing for comfortable breathing with reduced breathing resistance. It has been tested and approved according to European standards and is compatible with 3M eye and hearing protection products. Tested and approved according to European standards – CE Mark (EN 405:2001 + A1:2009 FFABEK1P3 R D). Maintenance-free respiratory mask for use when handling herbicides and pesticides, chemical cleaners, or solvent-based paints. No maintenance required – always ready for use. Usable until damaged, particle filters are clogged, or gas filters are saturated. Improved breathability and reduced breathing resistance through a double inhalation valve and large activated carbon filters. Comfortable breathing through an improved exhalation valve with reduced breathing resistance.