• 25-1770

Air Filter Foam Wrap

*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

·         The K&N Airforce Pre-Cleaner is a specially designed foam filter wrap made to extend the service interval of your K&N air filter 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. 

Product Specifications

Air Filter Shape


Closed Top





6 in (152 mm)

Inside Diameter

3.75 in (95 mm)

Material Used


Package Contents

1 Airforce Pre-Cleaner Wrap

Package Quantity


Product Box Height

4 in (102 mm)

Product Box Length

0.15 in (4 mm)

Product Box Width

8.5 in (216 mm)

Product Style

Filter Wrap - Round Straight


0.2 lb (0.1 kg)

Wrap Type

Airforce Pre-Cleaner


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  • Product Code: 25-1770
  • Availability: In Stock
  • $15.99

  • Ex Tax: $15.99

Tags: air, filter, k&n, precharger