I am looking to trade for a nice, newer, but smaller reverse osmosis system. This is a 2007 model with a 2 seasons old H20 membrane. I purchased it prior to last season for $7000 and it worked excellent on 1000 taps. I am probably downsizing but still need an RO because I fire with oil. This unit is the same as the Springtech models. Has a 7.5 hp pressure pump which is the expandable size. Text 440-645-6842