HK ARMY AeroLite Carbon Fiber HPA Paintball Tank 68ci / 4500psi Smoke The HK Army AeroLite Air System has been developed with performance. The AeroLite system includes a 5-year hydro cycle and. Is available in 4 color options. Weight 2lbs 2.4oz. Tags: 4500psi, 68ci, aerolite, army, carbon, fiber, paintball, smoke, tank « Carbon Fiber Scuba Diving Back Plate Dive Tank Carry NEW Ninja SL2 Carbon Fiber Air Tank (Bottle Only) 68/4500 Matte Gunsmoke/Red »