I want to buy a RO unit. Would really like a deal from a sponsor, but anything would really work as long as I don't have to replace all the filters again (at that point I'd rather buy new).
I can get you a unit starting at $135 for 75gph complete plug and play
or, changing a complete filter set from me if you have one (sediment, carbon and di resin) is only $30. new membranes start at $30 for a 12gpd to $49 for a 150gpd.