Pack 2 filter with a1p3 thread. class 1 organic gases and vapors and class 3 particles. uses and employments: painting and decoration (spray paint, solvents, varnishes, resins), manufacturing (vehicles, ships, appliances, dyes and pigments, adhesives, food), maintenance with presence of organic mists and organic substances, industry (organic fumes and vapors, organic chemical processes), agriculture and gardening (manure, organic handling, pesticides), livestock farming, cleaning with solvents.