I'm looking to buy a ro/di unit and saw this one for 70 bucks on ebay. Is it 70 dollars because its garbage, or will this do the trick?
http://www.ebay.com/itm/0PPM-Portable-100GPD-Reverse-Osmosis-RO-DI-Filtration-/380341933047?pt=LH_DefaultDomain_0&hash=item588e2553f7
http://www.ebay.com/itm/0PPM-Portable-100GPD-Reverse-Osmosis-RO-DI-Filtration-/380341933047?pt=LH_DefaultDomain_0&hash=item588e2553f7