K&N RE-0950 Universal Clamp-On 6" Dia. Round Tapered Red Cotton Gauze Air Filter

K&N RU-3480 Universal High Flow 5" Dia. Round Tapered Clamp-On Cotton Air Filter

K&N Filters RU-3220 Universal Air Cleaner Assembly

K&N RU-1785 Universal Reusable 5" Dia. Round Rubber Toped Cotton Air Filter

K&N RU-4730 Universal Reusable 6" Base OD Round Tapered Cotton Red Air Filter

K&N RU-3120 Universal Reusable High Flow 4" Dia. Round Tapered Cotton Air Filter

K&N Filters Universal Clamp-On Air Filter RU-4870

K&N RE-0910 Universal Reusable 8" Dia. Round Tapered Red Cotton Gauze Air Filter