"The new material, f-sand, uses proteins from the Moringa Oleifera plant commonly known as the drumstick tree to efficaciously purify water. The plant which is indigenous to India, grows well in tropical and sub-tropical climates and is cultivated for food and natural oils. The seeds of the plant are also used for one type of basic water purification. Materials present in the seeds can kill microorganisms and reduce water turbidity." Learn more here.