## Twin Air Air Filter Insert, Pre-Oiled Foam, 154116X (HFF5019) Ensure optimal performance and protection for your motorcycle with the Twin Air 154116X (HFF5019) air filter insert. This high-quality, pre-oiled foam filter is designed for a precise fit and maximum filtration efficiency. ### Perfect Fit and Long Lifespan Unlike universal filters, Twin Air creates its products based on precise molds dedicated to specific motorcycle models. The 154116X (HFF5019) filter guarantees a perfect fit, eliminating the risk of leaks and ensuring optimal airflow. Additionally, the dual-layer foam construction with evenly distributed cells provides excellent filtration, protecting the engine from contaminants. The Twin Air filter is reusable - it can be washed and re-oiled, which translates into savings and environmental protection. A typical Twin Air filter lifespan is up to 30 washing cycles. ### Innovative Technology and Precise Workmanship Twin Air uses innovative micro-gluing technology, minimizing the number of seams and increasing the filtration surface. The greaseless sealing ring ensures tightness and easy installation. Each filter is hand-assembled and inspected for a perfect fit, guaranteeing the highest quality workmanship. The filter is packaged in a resealable, reusable bag for easy storage. ### Additional Protection Some Twin Air filter models feature an additional flame-retardant foam layer, eliminating the need for restrictive, stock backfire screens. Choose the Twin Air 154116X (HFF5019) filter and enjoy optimal performance, engine protection, and long-lasting reliability.