These Twin Air, Airbox Covers prevent water and bike cleaner from entering your intake when cleaning the airbox. Airbox Covers are manufactured from tough, durable ABS plastic. A rubber sealing ring is provided to ensure a perfect, leak-free fit. To use, simply remove your air filter from the airbox and install the Airbox Cover with the provided mounting screw (if required).
 
Fitment --
AIRBOX COVER
MONTESA 4RT
250, 260, 300RR, 301RR 05-present