Here's
a liter of saline.
This also brings up an interesting point: for your campaign, you should decide whether or not the team members were told during training, "Oh, everything issued by the Project will remain good forever, no matter what's printed on the box, bag, container, or in the written instructions. We're just that good."
Almost any prescription medication has a "use before" date on it, even this bag of what is basically salt water.
--
Michael B.