The Sterile Female-to-Female Luer Lock Connector is used to connect two syringes together for easy infusion of ozone from one luer lock syringe to another. The connector is ozone and temperature resistant. Female - Female Luer Lock Connector provides convenient, economical, high-quality solutions to facilitate transferring or mixing of fluids between drug delivery devices or IV sets. Packaged Sterile •Non-Pryogenic •Individual Blister (Vet-Focused / Industrial and Medical Use) Made of polypropylene (PP).