Specifications 1.5 cu. ft. resin 750,000 gallon capacity Service Flow: 9-11 GPM Dimensions: 10" x 54" Stainless Steel or Fiberglass Manual or Automatic Backwash 2.0 cu. ft. resin 1,000,000 gallon capacity Service Flow: 10-13 GPM Dimensions: 12" x 52" Stainless Steel or Fiberglass Manual or Automatic Backwash It is a well-known fact that people should drink eight glasses of water a day to help maintain a healthy lifestyle. With Crystal Quest Smart Whole House Water Filters, you get delicious, refreshing, safe, top-quality drinking water. Crystal Quest Smart Whole House Water Filters are engineered for maximum filtration and maximum performance with minimum maintenance. Benefits of Crystal Quest Smart Whole House Water Filters include: Great tasting, healthier water for drinking and cooking Crystal clear ice cubes Flavorful coffee, tea, mixes, and meals Ideal for baby formula, pasta, and soups Great for pet and plant water, aquariums Unlimited pure water supply to your kitchen and bath No heavy cooler bottles to lift Clean water for steam irons, humidifiers, and household cleaning, such as windows Water Travels Through 5 Stages of Filtration Stage 1 - Water flows through a 20” sediment cartridge that removes sediment, silt, sand and dirt. Stages 2, 3 and 4 - Water flows through our SMART Multimedia , which includes 2 types of coconut shell Granulated Activated Carbons ( Standard & Catalytic GAC) infused with our Eagle Redox Alloys® 6500 & 9500 , and ion exchange resin to reduce contaminants such as heavy metals, i.e. lead & mercury, chlorine, chloramine, & inorganic products such as herbicides, pesticides, petroleum/pharmaceutical by-products and achieve a balanced pH. To read about how GAC's work, click here . To read about the ERA® Oxidation/Reduction Process, click here . Stage 5 - Water flows through a 20” solid carbon filter cartridge for removing volatile organic compounds (VOCs), insecticides, pesticides and industrial solvents.* *If present in the water Additional Product Options: Leak Detector Valve UltraViolet: S pecifically designed to meet the demanding microorganism control concern. These microorganisms can range from bacteria and viruses to algae and protozoa. A major advantage of UV treatment is that it is capable of disinfecting water faster than chlorine without cumbersome retention tanks and harmful chemicals to your drinking water. ** SMART Systems only provide balanced pH. If you would like enhanced pH (alkalinity), see our EAGLE Systems , or add an Alkalizer . SMART Replacement Media OUR GUARANTEED PERFORMANCE 42 / 61 Since 1992 * All parts, components and media are NSF Certified