Use Wix XP For Extreme Driving - Optimize your full synthetic motor oil change with WIX XP filters - Exceeds OE recommended change intervals - up to 20,000 miles - Media engineered with Hybridized Synthetic fibers providing over 99% dirt trapping efficiency - Silicone anti-drainback valve prevents dry starts - Ideal for frequent towing and hauling of heavy equipment, RVs and boats - Withstands the extra demands of extreme temperatures, high dust, and mountainous terrain - Ethylene acrylic gasket for longest life - Solid metal end caps provide positive seal