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Technical Bulletins

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From time to time every filter manufacturer has had a filter that has been severely over pressurized returned from a customer...

Micron rating is a measure of defining how fine the filtration is...

Today’s vehicles are getting more and more reliable than ever. Due to this fact they need less maintenance than older vehicles...

Filter manufacturers often receive inquires regarding the purpose and filtration efficiency of inner air filter elements...

This bulletin contains very important information regarding the fitting of MD-525. Please read it carefully before installing the filter. Serious engine damage may occur if you do not follow these instructions.

Diesel engine power loss during winter operation is a common occurrence and source of complaint...

Since 1980's vehicle manufacturers started to use a new kind of filter...

More and more often people are listening to the word “BIODIESEL” without actually knowing the meaning and the use of biodiesel.