I am going to buy a much smaller RO unit, so I need to sell my current one.
It is the Purely H2O Optima Vision 75gpd unit:



http://purelyh2o.com/catalog/The-Opt...m-p-16134.html

I replaced all of the filters, but I am still getting high TDS so they probably need to be replaced.

Asking $75 for the unit.