... certificate Features: 1) Product structure: plastic spike for burette I.V sets ,with airvent , standard ... latex flash bulb , with one clamp ,luer lock with needle . Soft and thick tube 2) During infusion , ... kink resistant medical grade PVC tubing . 5) scope for use : for intravenous gravity infusion Reference standard : ISO8536-4Options as customer ... sterile burette type infusion set for single use