The K&N PreCharger® filter wrap is a specially designed to extend the service interval of your K&N Filter charger filter when used in very dusty conditions. They are made from durable polyester material containing a uniform weave.
The PreCharger will stop small dirt particles with minimal restriction to the airflow of the filter.

Fits:
Kawasaki KVF650 Brute Force 06-09
Kawasaki KVF750 Brute Force 05-07