As a wholesale manufacture we have engineered and developed a natural mineral that will eliminate all bacteria in drinking water and most fruits and vegetables in 30 minutes without any taste, smell, color or toxicity. Our product is unique because there no moving parts, no maintaince, just add 2 drops to a liter of disifected drinking water wait 30 min. put the 30 ml. bottle in your pocket for travel or store it in your house for your next usage. We have been selling to the CDC in Mexico as well as other NGO for the last 10 years. Our website shows our many test results from around the world. www.whaintl.com We have made our product below the pricing scale so all may use it at a cost that is indigenous to there country standard. We take pride that in the last ten years we have had no complaints from any of our buyers or there customers. We are a active member of (WHO Household Water Treatment Network)