There are some good standalone water filters (but Brita is not too good): https://web.archive.org/web/20170815211007/http://waterfilterlabs.com:80/Index.html ht

There are some good standalone water filters (but Brita is not too good): https://web.archive.org/web/20170815211007/http://waterfilterlabs.com:80/Index.html https://web.archive.org/web/20170815211007/http://waterfilte... Looks like they are preparing some new tests: http://www.waterfilterlabs.com/Index.html http://www.waterfilterlabs.com/Index.html