Empire Nitrogen tanks come in a variety of sizes and styles. Choose from 4500psi High Pressure Carbon fiber tanks in 88ci, 68ci or 48ci. If its entry level Aluminum tanks you can choose from 13ci, 48ci or 62ci. If its compressed air you need for your paintball gun then Empire has got you covered. Don’t forget to pick up a tank cover and a thread saver to protect your investment!