Ensure your semi is Ready for the Road Ahead™ with remarkable engine protection to keep it at its best, with the Fleetguard Direct Flow® Primary Air Filter. To provide enhanced vehicle performance, this replacement air filter system cleans the air of dirt, dust, and other contaminants before they can enter the motor. Fashioned with innovative and efficient technology to extend service intervals and reduce how often each filter should be changed. FleetPride is your First Click in Heavy Duty®.