Pre-Oiled Air FilterFilters are pre-oiled with Twin Air BIO foam filter oil using our state-of-the-art filter oiling machines to provide the ultimate consistency in pore coverageThe same factory treatment that race teams and OEMs receive is now available for all Twin Air usersSame industry-leading Twin Air Filter you are used to, now pre-oiled for your convenienceCome in a new, resealable bag for added convenience