3M™ Cupped Particulate Respirator 8577, GP2, with Nuisance Level* Organic Vapour Relief, Valved (Pack of 10)It is important to wear respiratory protection when handling agricultural chemicals like pesticide and herbicide. The 8577 respirator is compatible with other 3M personal safety products, e. g. eyewear and earplugs. Protection factor: 10 x Workplace Exposure Standard Packaging: 10 respirators box, 8 boxes case *Nuisance levels are those levels below the Workplace Exposure Standard Proper selection, training and use are essential in order for the