FILTERWEARS Pre-Filter K419 For K&N Air Filters RU-2520 RU-4250 Filter Wrap

Direct from manufacturer. Made in the USA.

Filter material: 100% monofilament polyester with water repellent finish standard on all pre-filters. Closed top, round tapered pre-filter.

Measurements: 4.375"(top diameter), 5.375"(base diameter), 5"(height)

Fits K&N Air Filters: RU-2520, RU-4250