Sprint Filter P08F1-85 - The Ultimate Performance Polyester Air Filter 85 micron water-resistant polyester tissue class leading air flow and filtration low maintenance - blow clean with compressed air dry filter - no oiling or washing as used by top race teams in MotoGP, WSBK recommended for racing, low km road use Part no. PM237SF1-85 Model compatibility Indian Challenger 2020 – current Indian Challenger Dark Horse 2020 – current Indian Challenger Elite 2023 – current Indian Challenger Limited 2020 – current Cross References Indian 7082417 K&N PL-1720