This food-grade vinyl air line with a 5/16-inch inside diameter helps power your draft beer dispensing. The durable vinyl won't crack, rot, swell, dry out, or be adversely affected by normal line cleaning agents. In this listing, it's offered by the foot for those who want to make their own lines. Connecting hardware is not included, however you can always opt for a five-foot jumper with screw clamps or screw clamps and quick disconnects if you prefer. For your convenience, we also offer a 100-foot coil of air line. * Please Note: When ordering, make sure to change the number in the quantity field to reflect how many feet you need. * Specs - Inside diameter: 5/16" and Outside diameter: 9/16".