FILTERWEARS Pre-Filter K281 For K&N Air Filters RE-0810 RE-0870 RE-0920

Direct from manufacturer. Made in the USA.

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

Measurements: 4.63"(top diameter), 6.0"(base diameter), 9.0"(height)

Compare to K&N RE-0810PK 
Fits K&N Air Filters: RE-0810, RE-0870, RE-0920