Twin Air Air Filter Yamaha Wolverine Rmax2 / Rmax4 Twin Air filters feature a dual-layer, open-pore foam construction, enhancing filtration and airflow. This one-piece filter combines a coarse outer shell with a fine inner core, ensuring durability and functionality. Designed for improved air volume and engine power, these filters excel in airflow efficiency and clogging resistance. They provide reliable engine protection in various riding conditions. Features: Dual stage filter Coarse, outer open-pore foam catches airborne dirt, grime and sand Fine open-pore inner foam acts as a second filter to trap the smallest particles while ensuring maximum air passage Fused outer and inner elements prevent dirt and grime from being lodged between layers Exclusively formulated adhesive ensures glue seams will not break down Thick, flat foam, greaseless sealing ring ensures maximum contact with your airbox Comes in a resealable bag for added convenience Sold individually