Ninja Ultralite 4500psi Paintball HPA Tanks (Click-a-Color/Size) (Grey, 77 Cubic Inches) D.O.T. and T.C. approved carbon fiber bottle w/5-year hydro Adjustable Ultra Lite Regulator Mini Fill Valve - Non-wrist digging, low profile design Aluminum Bonnet Regulator Shim Pressure adjustments allow 800psi, 650psi or 500psi outputts