FILTERWEARS Pre-Filter K203 For K&N Air Filter E-4521 E-3360
5104
Direct from manufacturer. Made in the USA.
Filter material: 100% monofilament polyester with water repellent finish standard on all prefilters.
Black open top, round straight prefilter.
Measurements: 7.0"T, 7.0"B, 2.0"H
Compare to K&N E-4521DK
Fits K&N filters: E-4521, E-3360