The upside to dry filters is that they require less maintenance.
Dry air filter vs oiled air filter.
There has been much debate to this subject to determine which filter actually performs better considering things such as filtration airflow longevity and overall performance.
The benefits of an oiled filter oiled performance air filters are constructed from high flow cotton and are treated with oil.
The cleaning process for oiled filters is a bit more extensive than dryflow.
For oiled filters you will need to get the necessary cleaner as well as oil for after you ve cleaned the filter.
By contrast a wet or oiled air filter is made up of a few layers of cotton gauze coated with a slight amount of you guessed it oil.
Due to their materials and construction the air flow of even the high performance dry air filters will usually be less than an oiled filter of the same size.
To clean it you use water and the cleaner and get all the dirt and oil out.
Both types of filters may be cleaned once they have become clogged.
They aren t as restrictive as dry air filters resulting in more efficient airflow.