In the standard working conditions (discharge pressure 0.7Mpa), the pressure drop is about 0.1-0.25bar of the new separator in air compressor, the residual oil rate can be controlled between 1-3ppm; Service life about 4000 hours. (the separator life depends on Many factors; oil design, routine maintenance, environmental cleanliness, working temperature, oil and oil filter quality)。check here for related air filter, oil filter and compressed air filters.