FILTERWEARS Pre-Filter F125 For SPECTRE Air Filter HPR9881, K&N RU-3280

Filter material: 100% monofilament polyester with water repellent finish standard on all prefilters.
Closed top, round taper prefilter.
Measurements: 5.13"T, 7.72"B, 10.25"H

Fits Spectre Air Filters: HPR9881, HPR0881

Fits K&N Air Filter: RU-3280