... ,Function and Features1, flow rate: 0.5-100cbm/min2, dust-proof accuracy: 3µm-12µm3, big filtration area, small ... computer display when the pressure drop lower than -0.5 Pa to replace air filter (change time is 2000 hours / ... air filter for screw air compressor(replacement for Atlas Copco)2, air filter for screw air compressor(replacement for Ingersollrand)3, air filter for screw air compressor( ...