Manufactured in an ISO Class 7 certified cleanroom to minimize contamination by pollutants. Forms a leak-free luer connection with a quick simple turn. PVC-free—ideal for use in bioprocess, life science, and pharmaceutical industries. Ideal for general-purpose, laboratory, and single-use applications to connect tubing with the rest of your system. Free technical application support available to determine which connector type is needed for your application. These Cole-Parmer® cleanroom fittings are high-quality PVC-free fittings, ideal in biomedical, pharmaceutical, electronic, and other critical-use applications. Fittings are manufactured, double bagged, and sealed in an ISO Class 7 cleanroom to ensure that the integrity is not compromised. An ISO Class 7 cleanroom utilizes HEPA filtration systems to maintain air cleanliness levels of less than 10,000 particles of 0.5 µm or larger per cubic foot. Luer fitting is a standardized system comprised of a male taper and a female mating part that provides a leak-free connection. This straight union features a female luer coupler on each end to connect two male luer fittings together. Unions are available in five different formulations—select one that best suits your application.