What function does the wire-backed media provide?
What is the efficiency rating and at what micron size?
August 17, 2018Why are Royal Purple Extended Life Oil Filters constructed with a silicone anti-drain back valve?
August 17, 2018
The wire backing is to support the filtration media. This further reduces the chance that the filter media could collapse. The use of stainless steel wire provides a strong, durable, AND low restriction way to provide the support.
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Oil Filter