Purolator PL21350 PurolatorONE Advanced Engine Protection Oil Filter - PurolatorONE oil filters keep engines operating at peak performance with up to 99% Dirt Removal Power. Available for most domestic and import applications, PurolatorONE optimizes engine life for up to 15,000 miles* of advanced protection for most vehicles on the road today. Made with a high-density synthetic blend filter media, PurolatorONE maintains its integrity and filtering capabilities between oil changes.