Here you will find all our No Toil and K&N air filter maintenanceproducts. including: Cleaners, Oils, greases and air box covers.In order to properly clean an air box, you need to remove your air filterand clean the whole air box with cleansers and water. The No Toil AirboxCover is made out of a hard, composite material that completely covers yourair intake and won't allow any liquids to penetrate to your intake. Thecontact point on the air box cover has a strip of soft rubber that createsan impermeable seal. Simply remove your air filter and install your air boxcover. Your air box is now ready for cleaning with No-Toil Air Box Cleaner.