1/2 inch Inside Diameter Clear Vinyl Beverage Tubing Flexible PVC HoseFor long draws where you want as little resistance as possible. Technical Specifications: 1 2" line provides . 025 lbs of restriction per foot. Ideally pounds of resistance should equal pounds of applied pressure. 1 2" line holds 1 1 3 of an ounce per foot. Made from PVC. "By the Foot" quantity ordered will be shipped as a single uncut length. Maximum length available is 100 ft.