Marine/RV iron filter and softener combo uses portable 2

https://stephenjrtw760.trexgame.net/iron-master-water-filter-review-real-results-from-wisconsin

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.