0.9% normal saline 15 mL pink vial, these unit dose solutions contain sterile water, and normal saline (0.9% sodium chloride), and have twist-and-pull-off tops for easy opening. The vials feature graduations in 0.5 mL increments and dispense by drop, in milliliter, or as a stream. Their tapered tip facilitates use with various tracheal suction systems.