Direct from manufacturer. Made in the USA.
Filter material: 100% monofilament polyester with water repellent finish standard on all pre-filters. Open top, round taper pre-filter.
Measurements: 5.0"(top diameter), 7.5"(base diameter), 8.0"(height)
Fits K&N Air Filters: RF-1020, RU-1020, RF-1044, RF-1044XD, RU-1044
Fits K&N Intake Kits: 57-1530-1, 57-2514-4, 57-2538, 57-2551, 57-2556, 57-2557, 57-2568, 63-9033, 77-2557KP, 77-2568KP, 77-9033KP, 77-2574KS, 57-2524-2, 57-2525-2, 57-6012, 63-1561, 63-2579, 63-6012, 63-9036, 77-1561KP, 77-9036KP, 77-2579KTK
