TWIN AIR DUAL STAGE FILTERS From everyday riding to the most adverse conditions nature can dish out, you want engine protection you can count on. The Twin Air line of air filtration products will provide your motorcycle with maximum intake protection... day in and day out. 1. Coarse open-pore catches airborne dirt, grime and sand. 2. Fine open-pore inner foam acts as a second filter to trap the smallest particles while ensuring maximum air passage. 3. Exclusively formulated adhesive withstands repeated cleanings, even with harsh solvents or gasoline. 4. Thick, flat foam, greaseless sealing ring ensures maximum contact with your airbox, while acting as a breathable gasket for increased air passage. 5. Fused outer and inner elements prevent dirt and grime from being lodged between layers, unlike Twin Air, this can be a problem with inferior two piece designs. Trapped particles can restrict airflow. And if dirt works its way into your engine, a pinhead sized granule will gouge your cylinder, piston and rings like a bullet. Filters available for some older models. Please call if your model is not listed