Product Details: Outfit your semi to be Ready for the Road Ahead™ with clean diesel exhaust fluid, with the Baldwin Diesel Exhaust Fluid Filter Kit. With a specialized design, this replacement filter works to remove contaminants from the DEF solution so that the selective catalytical reduction system can perform at optimal levels. Manufactured with a solid and long-lasting design to reduce the frequency of change intervals. FleetPride is your First Click in Heavy Duty®.