Outfit your semi to be Ready for the Road Ahead™ with superior engine protection and performance, with the Fleetguard OptiAir™ Primary Air Element. To keep your vehicle running at its best, this replacement element resides inside the air filter system to clean the air of dirt, dust, and other contaminants before they can enter the motor. Crafted with durable and innovative materials to reduce how often each element should be changed. FleetPride is your First Click in Heavy Duty®.