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Filter Wraps > Air Filter Foam Wrap

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The K&N Airforce Pre-Cleaner is a specially designed foam filter wrap made to extend the service interval of your K&N Filtercharger when used in very dusty conditions. The Airforce Pre-Cleaner is designed to be cleaned with K&N Cleaner or soap & water. Red colored Airforce pre-cleaners air oiled with K&N air filter oil after they are cleaned. They are made from large, open cell foam. Gray colored Airforce pre-cleaners do not use oil. They have smaller foam cells.

[More Information on AirForce Foam Wraps]
  • Extends service interval of your filter in very dusty conditions
  • Large open cell foam construction stops 90% of dirt with very low air restriction
  • Cleanable with K&N Filter Cleaner or soap and water
  • This product wraps your air filter with an additional pre-filter
Available Information
Installation Instruction Sheet

Part 25-3918 Product Specifications
Product Style: Filter Wrap - Universal
Wrap Type: Airforce Pre-Cleaner
Color: Red
Material Used: Foam
Width: 18 in (457 mm)
Length: 48 in (1219 mm)
Package Contents: 1 Airforce Pre-Cleaner Wrap
Package Quantity: 1
Weight: 0.15 lb (0.07 kg)
Product Box Length: 17 in (432 mm)
Product Box Width: 2 in (51 mm)
Product Box Height: 21.5 in (546 mm)


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