Klassic klarol filters offers oil-cleaning system to prevent hydraulic oil contamination related problems like sticking of proportional valves, and to prevent leakages or for that matter to protect an expensive pump. Klarol oil cleaning system can be installed as a direct and permanent installation on a variety of injection moulding machines hydraulic power packs. This is simple to operate and very effective. It removes contamination, water and gases from hydraulic oils while the machine is in operation. The oil remains super-clean 24 hours a day and 365 days in a year. No maintenance and monitoring is required and filter only needs to be changed once twice a year.