RTI offers their NTF-15 Plus Nitrogen Tire Filling System. The new unit can store nitrogen on-board for quicker availability and, according to the company, their exlusive tire deflation and vacuum system helps increase service speed while ensuring a higher nitrogen putity level. an included handheld device also allows for monitoring nirogen purity in the unit's tank and in tires. Additional features include a 5-year warranty and free on-site set-up and training.