Designed for industrial and small engine applications
High air flow with excellent filtration
Ease of maintenance
One year limited warranty
The K&N E-4250 Air Filter fits some Stihl , Stihl 044, Stihl 064, Stihl 084, Stihl MS440, Stihl MS441, Stihl MS640, and Stihl MS780 models.
The K&N E-4250 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-4250 is easy to install and is custom designed to fit right into the factory air box of some Stihl chainsaws, as well as other applications.