Andrew Huberman· PhD
So systems that cost somewhere between 200 and $500. Probably one of the more common ones or popular ones is a so-called Berkey filter system. These are filter systems that, again, remove the things that you want removed from your tap water, and they can do it at higher volumes. And they're typically countertop units. They don't require any plugin typically, or they only require brief plugin and electricity, and they're going to filter out many, many liters or tens of liters of water so that you can always have access to that clean filtered water time or day or night without having to pour over into the pitcher.