... dedusting filtration in hydraulic lubricating oil Description of Donaldson oil filters : Specification OD 80mm, ID 40mm, Height 378mm, Accuracy 10μ ... exported to all over the world Reason 3Various kinds of filters and filtration equipment available, such as air filter, water ... Steel Group Corporation, Philips color company etc. use our filters and filtration equipments.Reason 5we’re proud to say that ...