RU-2590 K&N Air Filter 4"FLG, 5-3/8"B, 4-1/2"T, 7"H
RU-2590 K&N Air Filter 4"FLG, 5-3/8"B, 4-1/2"T, 7"H. K&N washable and reusable air filters are handmade in the USA and United Kingdom using only the finest materials. It is almost impossible to wash your K&N air filter or air cleaner too much.