Marine/RV iron filter and softener combo uses portable 2

https://www.softprowatersystems.com/pages/private-well-owners-iron-filter-impact-taste-smell-water

Marine/RV iron filter and softener combo uses portable 2.5x10 cartridges, polyphosphate, and carbon block; quick-disconnect hose fittings, brass Y-strainer, and onboard TDS meter optimize campground well water for appliances.