An economical, entry level, micro-sized, portable reverse osmosis system, 75 gallons per day solution. Includes KDF/carbon filter and 75 GPD membrane. Also comes with garden hose connector, ¼” shut off valve, and pressure gauge. Features 2:1 drain to product water ratio for maximum efficiency. Check out these exclusive features, nothing else compares at this price: Replaceable carbon filter: More earth-friendly and affordable to change only the filter not the entire housing. KDF85 media added into carbon pre-filter: For heavy metal reduction. USA made: High rejection RO membrane built to American standards. Metal bracket: Filter is stable on a flat surface or can be wall mounted. Integrated pressure gauge with safe zones: Easy to monitor Automatic Shut-off Valve (ASOV): So drain line shuts down when product line is shut down. External flow restrictor: For 2:1 drain to product water ratios.