Designed for industrial and small engine applications
High air flow with excellent filtration
Ease of maintenance
One year limited warranty
The K&N E-4284 Air Filter fits some Wisconsin/Robin WT125 models.
The K&N E-4284 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-4284 is easy to install and is custom designed to fit right into the factory air box of some Wisconsin/Robin engines, as well as other applications.