Built for efficiency and created for comfort, all Nipro IV catheters are designed specifically to perform in delicate vasculature, delivering maximum efficiency and patient comfort. The smooth catheter-to-needle transition results in atraumatic insertion for optimum patient comfort. Product Details : ETFE catheter material is biocompatible, minimizing the risk of irritation and infection while the catheter is indwelling . The catheter is radiopaque and features a flashback window for quick visualization of blood Hub is color-coded for rapid identification of catheter size .The broad range of gauges (24G–14G) accommodates virtually any patient need .