Direct from manufacturer. Made in the USA.

Filter material: 100% monofilament polyester with water repellent finish standard on all pre-filters.
Round tapered pre-filter
Measurements: 5.25"T x 7.5"B x 7.5"H

Fits K&N Filter: RU-3101HBK

Fits K&N Intake Kits: 71-3082, 71-3070