Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part #80129 features a female luer lock inlet and male luer lock outlet. Made of polycarbonate and silicone, this in-line valve is tinted for gamma sterilization and has a 0 - 10 psi cracking pressure range, determining when the component starts to open. Qosina offers a variety of flow rates, materials, cracking pressure and back pressure options. Check Valve sample kits are also available which are ideal for testing.