Ultra Barrier™ tubing from EJ Beverage is constructed of a unique compound that provides for an excellent alternative to PVC.  Advantages to this unique tubing are:,,,PVC Free and BPA Free - containes no DEHP phthalates or other plasticizers,,,Environmentally friendly production - does not emit dioxins,,,Proven to have no significant impact on taste or flavor,,,Extremely low extractables/leachables,,,High flexibility,,,Remains flexible at lower temperatures,,,Ultra-low permeability,,,Superior Barrier properties,,,Temperature range of -40 to 125° F,Sold by the 100 foot roll. 1/4" is used in beer lines that are 10-25' in length. It is also used as gas line when you want a really tight fit, particularly with homebrew quick disconnects. Soak 1/4" line in hot water before atttaching to larger 5/16" fittings.,,Technical Specifications: 1/2" Outer Diameter. 1/4" line provides .65 lbs of restriction per foot. Ideally pounds of resistance should equal pounds of applied pressure. 1/4" line holds 1/3 of an ounce per foot. PVC Free.