3.2 gallon RO Water System 1.Reverse Osmosis Water System 2.Remove dirt, particle, odor, chlorine 3.All filter materials are food grade 4.Reverse Osmosis Water System 5.The prodact are have liability insurance 6.Faucet & installation kit included 7.Easy Maintenance 8.3.2 gallon RO Water System Model No.:RO-NS51 Type:Undersink 1st Stage:Pre-filter 5 Micron PP filter 2nd Stage:CTO Carbon Block filter 3rd Stage:Pre-filter 5 Micron PP filter 4th Stage:FILMTEC RO Membrane 5th Stage:Post Carbon filter Storage Tank:3.2 gallons steel tank Power:Pump with transformer 110/220VAC RO Dimension:26x27x45.5cm Tank Dimension:30x30x42cm Weight:8kg Remark:Faucet & installation kit included