Overview This line of products is especially designed for midlong term enteral feeding. Features of polyurethane feeding tubes: more durable and longer lasting than pvc tubes; weighted tip with metal tungsten guide end for ease of placement and retention; stylets included on all sizes; radiopaque and nonsterile; many of these tubes will move by peristaltic action to the jejunum after placement in the stomach, which requires longer lengths than standard feeding tubes; numerical graduations on side of the tube; and complete directions come with the product.