Designed for industrial and small engine applications
Outstanding filtration protects the engine
Ease of maintenance
One year limited warranty
The K&N E-4420 Air Filter fits some Buffalo-Springfield KX24, Clark Equipment CF20, Clark Equipment CF25, and Onan RV GENERATOR models.
The K&N E-4420 replacement air filter is constructed with layers of woven cotton for outstanding filtration and low air restriction to help your engine run more efficiently. This air filter can be washed and reused. The E-4420 is easy to install and is custom designed to fit some Onan generators and Clark Equipment forklifts, as well as other applications.