UNI

UNI Air Filter Kawasaki ATV & Dirt Bike NU-2333ST

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The principal of how foam air filters work is simple: "Open Cell" polyurethane foam is wetted with specially developed filter oil
The "sticky" filter oil is suspended in the path of the dirty air on the strands of the web-like cell structure of the foam
This makes it impossible for the dirt to pass through the strands
As the outer strands become loaded with dirt particles, the wetted strands down stream start trapping dirt, allowing the entire thickness to be utilized
This prevents surface loading or air restriction for 80% of the surface life of the air filter element
When the filter is sufficiently dirty it can be easily washed, re-oiled and re-used