Amazon.com: K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2.5 In, Filter Height: 5.5 In, Flange Length: 2 In, Shape: Round Tapered, RU-4950 : Automotive
Amazon.com: K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Air Filter: Flange Diameter: 6 In, Filter Height: 6.5 In, Flange Length: 1 In, Shape: Round Tapered, RU-1042 : Automotive
FTW ,HARLEY AIR CLEANER COVER K&N , ALUMNUM | eBay
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2018-2019 ROYAL ENFIELD Continental GT650; 2019 ROYAL ENFIELD INT650; 2018-2019 ROYAL ENFIELD Interceptor, RO-6518