The K&N E-4521 replacement air filter is constructed using an oil-free synthetic media. The E-4521 provides superior filtration, protecting your equipment's engine. This K&N air filter can be cleaned and used again. The E-4521 air filter fits some Kohler, Toro Multi Pro and John Deere equipment, in addition to other applications.
 
Washable and reusable
Ease of maintenance
High air flow with excellent filtration
Increased performance
 
Height: 2.5in (64mm)
Inside Diameter: 5.5in (140mm)
Outside Diameter: 7in (178mm)
 
Compatiable with Kohler 
CH18
CH25
CV25