FILTERWEARS Pre-Filter K365 For K&N Air Filter YA-4001

Filter material: 100% monofilament polyester with water repellent finish standard on all pre-filters.
Closed top, round straight pre-filter.
Measurements: 5.94"D x 5.88"H

Compare to K&N YA-4001PK
Fits K&N Air Filter: YA-4001