Ultrair 48ci/3000psi Aluminum HPA TankAffordable all aluminum HPA tank. This high quality HPA system feature a lightweight all aluminum tank and regulator with pressure gauge. All HPA tanks should be pressure tested every five years for safety. Lightweight TV certified aluminum cylinder Standard 3000 PSI fill capacity Reliable regulator with pressure gauge Both high and low pressure rupture disks installed for the highest level of safety Capacity: 0. 8 L Max Pressure: 3000 PSI Output