Empire Basic Air Systems offer an affordable option to the player who wants to upgrade to a High Pressure Air(HPA) system. These high quality air systems feature an aluminum regulator that provides steady performance and reliability. With a five-year retest cycle, these Empire Basic tanks will operate for many years of quality performance. Features: Proven regulator performance using Pure Energy Technology, 48 Cubic inches at 4500 psi, Standard 800 psi output pressure, DOT approved cylinder, Limited 90 day warranty, Aircraft grade aluminum construction regulator, Fully serviceable regulator design, and Five year retest cycle. Manufactured by Empire.