... fineness:2~150 µmApplication: Widely used in the Hydraulic medium filter, absorbing oil filter, pipeline filter, loop filter.(3) Normal ... ~150µmLong life spanApplication: Mainly used to filter lubricating oil, fuel oil, hydraulic system medium and limit flow rate. (7) Wire ... 2mm.Length: max 250mmApplication: Mainly used to filter lubricating oil, fuel oil, hydraulic system medium and limit flow rate.