Equip your semi truck to be Ready for the Road Ahead , with the Bendix K212108 PuraGuard Air Dryer Spare Kit, a key component that provides clean and reliable compressed air. Thanks to internal filtration design, this replacement component is able to effortlessly capture contaminants and moisture before the particles damage the pneumatic system. Crafted with a number of crucial components to ensure operators can carry out emergency repairs as needed. FleetPride is your First Click in Heavy Duty .