Direct from manufacturer. Made in the USA.
Filter material: 100% monofilament polyester with water repellent finish standard on all prefilters.
Black, closed top, round taper prefilter.
Measurements: 4.0"T, 5.0"B, 6.0"H
Compare to K&N PL-5207DK
Fits K&N filters: PL-5207
Cross Reference: Polaris 2520738, UNI NU8512STApplications: POLARIS OUTLAW 525; 07-11