Air Injection Platinum 15 with Fleck 2510SXT and 1" Bypass - AIP15-25SXT-1 - For Iron Hydrogen Sulfide Rotten Egg Odor Manganese &hellip; High flow for larger homes, 4 or more people, 3 or more bathrooms Highest removal of both iron and sulfur. No chemicals. Nothing to add, all automatic Air injection creates pocket of air to super oxidize your water for optimal filtration Remove iron up to 27 ppm, Sulfur up to 17 ppm, Manganese up to 11 ppm Easy to install yourself with DIY instructions on web. 12" x 52" high flow system 1" bypass