*NEW IN BOX* Harvest Water 6 Stage Reverse Osmosis Filtering System- 100 Gallons Per Day- 30 day Money Back Guarantee/ 3 Year Limited Warranty All systems are NSF certified System comes fully assembled, simply connect the water tank and two hoses. Comes with a illustrated instruction manual for easy installation. We carry all replacement filters and memebranes at low prices All systems are new, tested and unopened. 3 Year Limited Warranty