Qosina offers an extensive line of Check Valves available in a variety of styles that are in stock and ready for immediate delivery. Made of SAN, MABS, and silicone, Qosina part # 80507 features a low, 0.087 psi cracking pressure ideal for infusion, drainage and irrigation applications. This barbed check valve accommodates 1/8 inch ID tubing on the inlet and a male luer lock outlet. It provides controlled directional flow, and eliminates the need for bonding. 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.