- K&N WATERPROOF PRE-CHARGER. The Pre-Charger is a specially designed filter made to extend the service interval of your K&N filter. They are made from durable polyester material containing uniform micron openings. The Pre-Charger will stop small dirt particles; yet add little restriction to the airflow of the filter. The Pre-Charger is designed to be run dry and can be cleaned with K&N filter cleaner. The Pre-Charger is custom made to fit each application. Double stitched elastic openings assure
Shipping size (L x W x H): 1.00 x 5.00 x 3.00 inches
Made in US
Sold as: EA
This is a vehicle specific fit product, please select your vehicle for correct fitment