Coralife Pure-Flo II - 50 gallon per day 3 Stage RO/DI System  - $155.19
Three Stage adds a Deionization Cartridge

Coralife Pure-Flo II Thin Film Composite (TFC) Reverse Osmosis Water Purification Systems generate purified water for aquarium use. The units remove hardness, heavy metals, toxins and many other tap water impurities. The Coralife Pure-Flo II units include clear filter canisters, cartridges and faucet attachments. The Pure-Flo II units are economical, convenient and wall-mountable. The Coralife Pure-Flo II units are usable with chlorinated and well-water sources. Great for Freshwater or Saltwater Aquariums.

System Specifications Dimensions: 15.5" x 7" x 15.5" Pure-Flo II - 50 gallon-per-day system includes: 50 GPD TFC membrane ,1 micron filter cartridge,Carbon block filter cartridge, Deionization Cartridge Ideal Source Water Conditions: Chlorinated or non-chlorinated water supplies Water pressure - 60 PSI Water temperature range: 69 - 78 degrees Fahrenheit 3 gallons waste water to 1 gallon production water Maximum Total Dissolved Solids (TDS) in source water less than 250 ppm Membrane type: TFC (Thin Film Composite) Rated Gallons Per Day: 50 Inlet for source water: 3/4" garden hose connection with faucet adaptor and 3/8" pressure tubing Tubing type: 1/4" pressure tubing Coralife Pure-Flo II - 50 gallon per day 3 Stage RO/DI System  - $155.19 Quantity : Please Select Pure Flo II 50 GPD, 3 Stage System

Replacement Filters for Coralife 76002 Pure-Flo II - 50 gallon system 76010 - 1 micron cartridge replace every six months minimum $19.99   76012 - Carbon block replace every six months or 2,500 gallons  $22.99   76021 - 24 gallon-per-day TFC replacement membrane replace every 2 to 3 years  $89.99   76009 - Deionization cartridge replace every six months or 2,500 gallons $49.99    Quantity : size : Please Select #76010 1 micron cartridge #76012 carbon block #76021 50 GPD Replacement TFC Membrane #76009 - Deionization cartridge