2 small NACS Water Purifiers (liquid) (28% Sodium Chlorite) Not a kit - 2 small green bottles -- 2 oz ea. = total of 4 fl. oz.
Perfect for sharing one bottle with a friend. Travel with the water purifier through TSA custome with no problem.
NOTE: No Activator included! This item does not have citric acid included... you will have to buy a "kit" or supply your own HCL 4%, citric acid 50/50%, or 100% lemon juice.