The ‘FP109BY3’ by Amsino International is a medical-grade back check valve with three needle-free valves, designed to facilitate safe and efficient fluid administration. It comes with a roller clamp and two slide clamps for easy adjustment of fluid flow. The rotating male luer lock with a retractable collar ensures a secure and leak-free connection. With a length of 109 inches and a drop rate of 10 drops per milliliter, this product is suitable for a variety of clinical settings. It is sold in cases of 50, making it a cost-effective choice for healthcare facilities.