![Waterloo student designs new clay filter for unsafe drinking water | School of Public Health Sciences | University of Waterloo Waterloo student designs new clay filter for unsafe drinking water | School of Public Health Sciences | University of Waterloo](https://uwaterloo.ca/public-health-sciences/sites/ca.public-health-sciences/files/styles/body-500px-wide/public/uploads/images/timothy-muttoo.jpg?itok=l-aref_x)
Waterloo student designs new clay filter for unsafe drinking water | School of Public Health Sciences | University of Waterloo
![A Brazilian clay water filter. Considered one of the best water filters in the world. Dated 1947, this is able to keep the water -3/5 º C cooler than ambient temperature. It's A Brazilian clay water filter. Considered one of the best water filters in the world. Dated 1947, this is able to keep the water -3/5 º C cooler than ambient temperature. It's](https://preview.redd.it/4mtjm8nireh81.jpg?auto=webp&s=3d2318e2296706f8c40d29f9c584bf0d980d1826)
A Brazilian clay water filter. Considered one of the best water filters in the world. Dated 1947, this is able to keep the water -3/5 º C cooler than ambient temperature. It's
![Sand, bacteria and clay pots ensure safe drinking water | arche noVa - Initiative für Menschen in Not e.V. Sand, bacteria and clay pots ensure safe drinking water | arche noVa - Initiative für Menschen in Not e.V.](https://arche-nova.org/sites/default/files/styles/einzelbild_xlarge/public/content/einzelbilder/06-%20Pakistan%20-%20Verteilung%20Nadi%20Filter%20Kits%202%20Sindh%202018.jpg?h=ccf9ec54&itok=kAiKRdUL)