5 Stage Reverse Osmosis Drinking Water System RO Home Purifier with 15 TOTAL FILTERS Produce up to 50 gallons of top quality water per day. Comes with color coded tubing for easy installation Complete System all installation hardware. Also has Quick Connect Fittings and an Installation Manual for easy and simple installation. Total Filters Included  4 Sediment Filters  4 Carbon Block Filters  4 GAC Carbon Filters  2 GAC Carbon Post Filters  1 Membrane (50GPD)