The K&N E-4665 replacement air filter is constructed with an oil-free synthetic media.The E-4665 provides superior filtration protecting your equipment's engine. This K&N air filter can be cleaned and used again, lasting the life of your equipment.
 
Washable and reusable
Ease of maintenance
Superior filtration protects the engine
Easy to install
Oil-free synthetic media
 
Height: 2.25in (57mm)
Inside Diameter: 5.5in (140mm)
Outside Diameter: 7in (178mm)
 
Compatiable with:
37 EFI 
40 EFI 
Mud Buddy 5000