I know there are other good choices besides Clearbrook. It is one of the best choices. Berkey is also a good choice.
Clearbrook manufactures and distributes water filters and foods to provide a healthier, safer and better life.
Clearbrook Water Filter Bottles
Clearbrook Water Filter Bottles are convenient, safe and durable. It is great for missionaries who travel in remote areas where clean water is absent.
Turning Wine into Clean Water?