The CSG Scuba Oxygen Tank is a 500ml oxygen cylinder that supports three types of inflation, making it a handy item to add to your diving gear. The cylinder is a cool shade of neon green with some black lettering, including the phrase ‘There when you need it’. Its small size means it can easily be transported to remote diving spots. So if that’s your passion, then this CSG Oxygen Tank is a must-have item. The tank is priced exceptionally well, so be quick.