Pentair iron filter system with manganese greensand and potassium permanganate regeneration tackles rust stains
https://blogfreely.net/morvindubc/maximize-home-value-with-a-softpro-iron-filter-system
Pentair iron filter system with manganese greensand and potassium permanganate regeneration tackles rust stains, sulfur odor, and manganese; includes contact tank, pressure gauge, and 115V timer for reliable oxidation-reduction.