Iron Filter with air injection (AIO) removes ferrous/ferric iron

https://donovanuhwk972.image-perth.org/softpro-iron-filter-system-a-complete-homeowner-s-guide

Iron Filter with air injection (AIO) removes ferrous/ferric iron and hydrogen sulfide from well water; features Fleck 5600SXT control valve, Katalox Light media, 1-inch NPT bypass, NSF/ANSI 61 components, and auto backwash.