On Sun, 01 Feb 2009 14:10:53 -0800, Nicholas wrote:


1st is sediment removal (very inexpensive)
2nd is activated carbon (about $20/cartridge)
3rd is chemical removal (off the wall expensive)

If you are going to install any of these filters, make sure you have one
that isn't tied to a particular company. You want to be able to buy the
filters everywhere at a competitive price.