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Air cleaners are defined into two types based on the stages the air and contaminant flow through the assembly. These types of air cleaners are considered single-stage and two-stage.   Single-Stage Air Cleaners A single-stage air cleaner filters contaminant from the air through a primary filter without the use of a pre-cleaner. The contaminated air…

Q1: Please explain the differences between the primary and secondary fuel filters in terms of the type of medium used, micron rating, and so forth. Differences between primary and secondary filters vary from system to system, but in general, primary filters are used to separate water and larger particles (7-25 μm efficiency). Secondary filters are…

In order to make sure that we can get your filters to you before we close for Christmas we would need to have orders as detailed below to guarantee that items can arrive with us in good time ahead of the festive break; Our last day for ordering Donaldson filters, that are available from stock…

The difference between the various lube filter configurations can be confusing. There are three common filtration approaches. Full Flow Filtration Full flow filters receive near 100% of the regulated flow in an engine lube system. Full flow filters provide essential engine protection for maximum cold flow performance and filter life. Most lube filters available today…

Encountering poor quality or unconditioned fuel is inevitable, so some precautions should be made when operating in cold weather. Depending on the severity of winter operating conditions, many operators may choose to protect their equipment through the use of fuel additives, fuel heaters, and fuel water separators. I use a good cold flow improver, so…