One single filter has a long lifespan, providing about 1,000 gallons of clean and safe drinking water — making its $12 sale ...

Pastor Gerald Dzawo has built schools in Africa, his home country, through his work with the mission organization Youth World ...

users can purify water on any stovetop or even open flame—no electricity required—making it a great option for emergency or camping situations. The kit consists of four parts, including three ...

This particular kit demonstrates a water purification process called electro-coagulation. When current is passed through two electrodes suspended in water it changes the surface charge on the ...