Nitroglycerin Set Duo-Vent Spike with Polyethylene Lined Tubing and CLEARLINK Luer Activated Valve, Male Luer Lock Adapter. Approximately 60 drops/mL. Approximate Length 103" (2.6 m). Contains DEHP. Sterile Fluid Path. The PVC pump segment and outer layer of polyethylene lined tubing contain DEHP: Remainder of fluid path does not contain DEHP.