Carbon fiber tank 4,500 psi max fill pressure Regulated to 2,900 psi output + up to 10% 90 cubic inches 4.10 lbs. 4.50 wide 13 tall (to top of valve) Grey Includes fill devices with female Foster quick-disconnect fitting (click on product detail shots to see everything that's included) Fill 'er up! This handy carbon fiber tank is small enough to tote around in the field in your backpack while hunting or eliminating pests. Easily fill your air rifles and pistols with the easy on/off quick-disconnect coupling. If you shoot field target, this will take the place of a buddy bottle. Since it's filled to a pressure of 4,500 psi, you'll get a lot more refills to your 2,900 PSI PCP rifle than you would with a buddy bottle. More refills, less hassles, no pumps, no heavy tanks...it has everything going for it!