I'm looking to order a 4 stage RO unit. #1 below seems to have the best filteration (according to them) but I wanted some experienced opinions before I order. Any suggestions are welcome - no need to limit suggestions to those I've listed. Thanks.
1) http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=4459&N=2004+113775
2) http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=8111&N=2004+113773
3) http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=4453&N=2004+113773http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=4453&N=2004+113773
1) http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=4459&N=2004+113775
2) http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=8111&N=2004+113773
3) http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=4453&N=2004+113773http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=4453&N=2004+113773