RU-1045 K&N Air Filter 3-1/2"FLG, 5-1/2"B, 4"T, 8"H
RU-1045 K&N Air Filter 3-1/2"FLG, 5-1/2"B, 4"T, 8"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.