SPR658 Pair of OV/P100 Replacement FiltersThese filters are recommended for organic gases and dust, pesticides, painting, solvents into automotive, construction, agriculture and shipyard industry or repair. Gas filters contain activated carbon granules with special characteristics related to pore size, grain size, activation level, density, etc. These characteristics guarantee high absorption performance and low breathing resistance. Properties Filters last up to 3 years and can be easily