DONALDSON is an American made and yet international manufacturer of all kinds of industrial filters including DONALDSON engine oil filter, fuel filter, hydraulic filter, separator filter, cabin and engine air filter. DONALDSON group has over 140 distribution and after market centers in over 40 countries and is considered one of the most well-known international brands of filter all over the world. using the highest technology and most modern machines as well as constant interaction with the highest scientific advancements has turned DONALDSON as one of the largest and most successful manufacturers of filters in the world.