McKesson Sterile Water Unit Dose Vials Unit dose vials contain 5 mL of sterile water (USP) for inhalation Economic respiratory therapy solution used to clear suction catheters and clean supplies including tracheostomy tubing and its accessories at patient's bedside Prepared from water for injection that is sterilized and suitably packaged Features easy-to-open, twist-off cap and conveniently dispenses sterile water by the drop or milliliter Light blue vials embossed with inverted milliliter graduations for easy identification and accurate dispensing Expiration date and manufacturing lot information imprinted directly on vials No bacteriostatic agent or other preservative added (preservative-free) Non-pyrogenic, DEHP-free, and not made with natural rubber latex Rx ONLY: Federal (USA) law restricts this device to sale by or on the order of a physician