In great condition , will need new filters. $150 obo
http://www.jlaquatics.com/product/vt-ro100di/Vertex+Puratek+Deluxe+RO+DI+Filter+-+100GPD.html
System Features: *Built in electronic TDS-Out meter
*Fully automated Microprocessor controller
*Easy to view Oil-filled Pressure gauge
*Automatic back-flush system to increase membrane life
*Back-pressure shut off solenoid for reservoir applications
*Clear canister casing for increased visibility
*All standard cartridges and fittings
*Includes all necessary plumbing and fittings
*Canister wrench