Respiratory filters certified as A1P3 Filters offer comprehensive and versatile filtration. P3 is the highest level of particulate filtration available, filtering 99.5% of particulate contaminants in the air, while A1 signifies lower level respiratory protection against organic vapours. This combined efficacy makes masks and respirators equipped with A1P3 filters suitable for a variety of applications involving particulates and dust, like agriculture, construction, lab work, mechanical work and more.