Protect your air cleaner with this premium pre-filter designed specifically for Arlen Ness Mini 22 Air Cleaner models 600-020 and 600-021. Crafted from 100% monofilament polyester with a water-repellent finish, this black, closed-top pre-filter offers superior protection for your engine. American-made with precision, it's compatible with a wide range of Harley models including Twin Cam (1999-2017), Sportster (1991-up), and M8 Models (2017-2023). The pre-filter features a custom fit for optimal performance and engine protection. Please note specific fitment restrictions for Fly-By-Wire models. This pre-filter helps maintain your engine's performance while keeping debris out of your air cleaner. Its odd-shaped design ensures a perfect fit for your Arlen Ness Mini 22 Air Cleaner system.