Klassic klarol filters manufactures oil cleaning system. This system is applicable for preventing hydraulic oil contamination related problems like striking of proportional valves, and leakages to protect an expensive pump. The klarol oil cleaning system is a by-pass hydraulic oil cleaning device and has advantage of easy, direct and permanent installation on a variety of injection moulding machines/hydraulic powerpacks. The oil cleaning systems are available with salient features like simple and effective operation, super-clean oil 24 hours and 365 days, and no maintenance or monitoring. This klarol oil cleaning systems can remove contamination or water and gases from hydraulic oils while the machine is in operation. The system filter should be changed once/twice a year.