HK Army 68/4500 Aerolite Carbon Fiber HPA Compressed Air Paintball Tank System HK Army 68/4500 Aerolite Carbon Fiber HPA Compressed Air Paintball Tank System. Tags: aerolite, army, carbon, compressed, fiber, paintball, system, tank « NEW Ninja Lite Carbon Fiber Air Tank 68/4500 with Adj Reg Translucent Blue Ninja Lite Carbon Fiber Tank 68/4500 withPro V2 Reg SE Warhawk Dolphin Orange »