M.S.R.® products are not available for shipment outside the United States.
ViralStop is a chlorine-based purifier solution that provides simple and fast virus protection. Proven effective, chlorine is used to treat over 95% of all U.S. tap water. Most people believe it tastes much better than water treated with iodine-based products. With ViralStop as a key component, the Sweetwater Purifier System meets stringent EPA standards and inactivates 99.99% of waterborne viruses and eliminates over 99.9999% of all waterborne bacteria and 99.9% of common protozoan parasites such as Giardia and Cryptosporidium.
ViralStop contains a special grade of Chlorine Solution, which prolongs shelf life and is EPA registered
Comes in a spill-proof dispenser bottle for accurate measuring