Features 1. Wide Application: This motorcycle air intake filter cleaner is a replacement for DAX ST50 ST70 and fits most 38mm flex neck carburetor intake bores for monkey bikes, scooters, and motorcycles. 2. Main Function: The motorcycle air filter is designed to enhance horsepower and acceleration. It is washable, reusable, and offers a long service life. 3. Excellent Performance: This motorcycle air cleaner provides efficient filtration, high airflow, and consistent performance with reliable operation. 4. Premium Material: Constructed from high-quality rubber and ABS materials, the air intake filter is durable, resistant to deformation, and built for long-term use. 5. Simple Installation: Easy to install with a direct replacement design. No complex tools or procedures required, saving time and effort. Specification Item Type: Motorcycle Air Filter Material: Rubber + ABS Diameter (outside diameter of carburetor inlet): Approx. 38mm / 1.5in Fitment: Replacement for DAX ST50 ST70 Compatible with most 38mm flex neck carburetor intake bores for monkey bikes, scooters, and motorcycles Package List 1 x Motorcycle Air Filter 1 x Fixing Hoop