AIR FILTER 99-17 Twin Cam (except 08-17 Dresser/H-D FL Trike, 11-13 FXS, 12-16FLS, 08-11 FLSTB, 99-01 Magneti-Marelli EFI, 08-16 Dyna Glide) PREMIUM REUSABLE AIR FILTERS Durable epoxy-coated wire mesh designed to maximize airflow and provide peak filtration. 100% reusable and washable. Pre-oiled for quick, easy installation. High-flow four-layer surgical-grade cotton filtration. Urethane body won't crack or curl like rubber. Precision hand-poured design. Made in the U.S.A.