Crossfire puts their tanks through more rigorous testing than any other manufacturer, so you can rely on them to give you outstanding performance.  Since they already beat CO-2 for performance and reliability, you’ve got a definite, all-around winner with Crossfire paintball air systems. These tanks have the same pressure shot after shot.  These are the most popular and highest quality air tanks on the market and they’ll last for years because they’re fiber-wrapped for durability. *High pressure has output of 800-850 psi   ·  Note: All tanks are shipped empty to comply with the regulations of the US Department of Transportation.·  PLEASE NOTE: Due to shipping restrictions this item cannot be returned.