An oil filter is a filter designed to remove contaminants from engine oil, transmission oil, lubricating oil, or hydraulic oil. Oil filters are used in many different types of hydraulic machinery, but primarily in internal-combustion engines, in on- and off-road motor vehicles, light aircraft, and various naval vessels.
You’ve may have put many new filters on your car when changing the oil, but have you ever seen inside one or how and what are they made of?
About 400 million oil filters are manufactured in the USA each year. Take a look at the process of making oil filters!
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