Aquios Jumbo Low VOC Water Softener/Filtration Replacement Cartridge Jumbo All-in-one water softener/water filtration cartridge with 100,000 gallon rated usage Commercial grade descaler that eliminates hard water deposits and conditions water 1 Micron carbon block filter elimates chlorine taste and odor, sediment, and chloroforms Eco-friendly, requires no maintenance, no electricity, and no salt