K&N Air Filter Oil is the only oil specially formulated to work in combination with the cotton fabric in K&N Filtercharger elements providing a superior air filtration system. When used as directed, it quickly penetrates the filter pleats, where it remains suspended in the cotton fabric. 8 fl/oz 237ml Due to postal restrictions we can only send this to a UK address.
Covid 19 update - We're open, with reduced staff in the warehouse and some working from home. At times we won't be able to answer the phone but we aim to despatch all orders the same or next day. The best email address to get us on is email@example.com. Thanks for your patience and stay safe! Dismiss