Hydro-Logic 31040 300-GPD Stealth-RO300 Reverse Osmosis Filter Removes 98-Percent of chlorine and contaminants and 96 percent to 99 percent PPM rejection Wastes approximately 25-Percent less than other RO Systems and pH is 3-11 Up to 300-Gallon Per Day and maxium feed flow rate is 2 GPM Automatic Shut-Off Cartridge and tempurature limit is up to 140 degree Fahrenheit (60 degree Celsius) depending on pressure and time under load Wall Mountable Metal Bracket