BD PosiFlush pre-filled heparin lock, BD Luer-Lok flush syringe. PosiFlush Pre-Filled Syringes provided convenient, reliable, cost-effective alternatives to vial-based systems. Use BD PosiFlush and strengthen your IV catheter maintenance practices. Completely eliminate needles that may still be used to fill syringes with flush solutions. Eliminate glass vials and cartridges. Compatible with all needleless IV access systems. Sterile contents and fluid pathway. PosiFlush syringes are terminally sterilized for highest SAL. Saline syringes are latex free. Syringes and shelf cartons are color-coded for easy identification of syringe contents 10ml syringes lower injection pressures for increased patient safety. Compatible with all needleless IV access systems.