The K& N Airforce pre-cleaner is a specially designed foam filter wrap made to extend the service interval of a K& N air filter when used in very dusty conditions. Red colored pre-cleaners are oiled while gray colored pre-chargers are not.

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 are 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.

• Extends Service Interval Of Your Filter
• Large Open Cell Foam Construction
• Stops 90 Percent Of Dirt With Very Low Air Restriction
• Cleanable With K& N Filter Cleaner or Soap And Water
• Wraps Your Air Filter With An Addi

Color:	Red
Item Type:	High Performance
Length:	48 in (1219 mm)
Material Used:	Foam
Package Contents:	1 Airforce Pre-Cleaner Wrap
Package Material:	Plastic Other
Package Quantity:	1
Package Type:	Bag
Product Style:	Filter Wrap - Universal
Prop 65 (C, R or CR):	CR
Prop 65 - Short Label:	WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
Prop 65 Warning Label:	https://www.knfilters.com/images/l/prop65.jpg
Prop 65 Yes/No:	Yes
Title:	K& N 25-3900 Air Filter Foam Wrap
Warranty:	1 Year Limited
Weight:	0.3 lb (0.2 kg)
Width:	7 in (178 mm)
Wrap Type:	Airforce Pre-Cleaner