K&N RU-3550 Universal Round Tapered Performance Washable Air Filter for Intake

K&N Universal Air Cleaner Assembly RU-3550 High-Performance Filter

K&N Filters RU-3550 Universal Air Cleaner Assembly

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

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

K&N Filters RF-1030 Universal Air Filter

K&N RU-3550 Universal Clamp-On Air Filter