The Ninja Aluminum SLP Tank (35/3000) includes a standard SLP regulator on its tank. Aluminum HPA tank holds up to 3000 PSI with a 300 PSI output with its SLP regulator. Perfect for all airsoft gun systems and regulators from Polarstar and Wolverine. Not for use with Tippmann 800 PSI guns. HPA tank is stamped with a 5 year hydro date. A high quality tank from Ninja.The 35/3000 tank is quite small in size. We recommend it for people that want a backup tank, play short games, and those that want a lightweight rig/space saver.