Product Description This is a brand new PMI Pure Energy Fiber Wrapped 68/4500 PSi NitrogenTank. Features: Features: Light, compact and will give you up to 800 shots with a full fill. Output pressure is preset to 850psi. Consistent Flow Technology piston Mil-spec Belleville springs Dual safety rupture plugs for both bottle and downstream safety Mechanical gauge Nickel plated brass bonnet Certified fill nipple Dual locking set screws 5 year hydro test date Weight -