VIAIR's Continuous Duty onboard air systems are a compressed air solution for inflating off-road tires (up to 37 in.), as well as powering up a variety of pneumatic applications. These systems feature one of the most popular "C" model compressors, the 485C Gen II. The upgraded duty cycle of 100 percent at 200 psi and the larger head port size of 3/8 in. NPT allow for faster fill rates, along with increased airflow to your applications. With the VIAIR Continuous Duty onboard air system, you can easily air up off-road tires and other power pneumatic applications like air horns, air lockers, load leveling and more!