The K&N PreCharger filter wrap is specially designed to extend the service interval of your K&N Filtercharger 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.
 

• This product wraps your air filter with an additional pre-filter
• Extends service interval of your K&N filter in dusty conditions
• Durable polyester material with stitched elastic openings
• Cleanable with K&N Filter Cleaner

Specifications
Wrap Type    Drycharger
Color    Black
Material Used    Silicone Treated Polyester
Base Inside Diameter    6.5 in (165 mm)
Top Inside Diameter    4.5 in (114 mm)
Height    5.5 in (140 mm)
Closed Top    Yes
Package Quantity    1
Air Filter Shape    Round Tapered to fit RU-5147

Weight    0.1 lb (0 kg)
Product Box Height    7 in (178 mm)
Product Box Length    6.88 in (175 mm)
Product Box Width    6.94 in (176 mm)