For use with iSi soda siphons, this box of 10 soda chargers lets you carbonate your own soda water, cutting down on salt and impurities and providing a way to enjoy carbonated beverages without all the plastic bottles. The charges are perfectly designed and filled to work with iSi siphons, and they're backed by 100-percent quality control testing. Each charger is good for 1 application. Chargers are small and easy to store and they do not have an expiration date.
http://cpsr-rspc.hc-sc.gc.ca/PR-RP/recall-retrait-eng.jsp?re_id=1607

http://cpsr-rspc.hc-sc.gc.ca/PR-RP/recall-retrait-eng.jsp?re_id=1607