Outfit your semi to be Ready for the Road Ahead™ with superior engine protection to keep it at its best, with the Fleetguard Direct Flow® Primary Air Filter. Thanks to its specialized collection system, this replacement air filter is the ideal solution to clean the air of dirt, dust, and contaminants, while optimizing vehicle performance. Crafted with durable and innovative materials to reduce how often each filter should be changed. FleetPride is your First Click in Heavy Duty®.