Most Efficient Water Cleaner: Terra Cotta Gravity Water Filter and Cooler

by Justin Thomas •

Here is another efficient ceramic water filter. This gravity filter has a hand-made terracotta base, which cools the water using natural convention. We consider it metaefficient because: its has excellent filtration, and a very long filter life (years). Also, the terracotta doesn’t leach contaminants into the water, and it keeps the water cool without needing external energy. It’s available from …