for PIAGGIO Beverly/ MP3/ X9/ X10 400/ 500ccm also for APRILIA Scarabeo 400/ 500ccm Product description These air filter elements from PIAGGIO/RMS are standard rated elements, used as OEM parts by many scooter manufacturers. Top quality at affordable prices! Some air filter elements produced by PIAGGIO are also available as PREMIUM rated elements. These offer the advantage of an increased air flow of air while simultaneously reducing the amount of contaminating particles reaching the carburettor and motor. This improves the performance of the motor. They are also produced using a more high end material. Do not forget to impregnate your new filter element with a suitable filter oil (#14241000) before use! This is an original PIAGGIO spare part in first-class quality. PIAGGIO parts undergo a continous quality management process and are a symbol for long life products. OEM numbers (for comparisons): 833318 (PIAGGIO)