Valken Paintball's new addition to the paintball tank line is call Zero-G. It is a 68 cubic inch carbon fiber bottle that is lightweight. Proudly manufactured in the USA, it comes both DOT and TC compliant and has a 5 year hydro lifespan. Output pressure is set at 850 psi allowing it to work with any paintball gun. On the safety side, the Zero G comes with dual burst disks, one to monitor bottle pressure, and one to monitor output pressure. Aluminum bonnet adds durability to the treads! It comes with a micro gauge.