Flow-Pur's RV-PRO 10000 is the most user-friendly, competitively-priced RV softener on the market today! Compact and portable, this versatile softener will ...
LARGE 8000 GRAIN CAPACITY - The Mark 8000 uses .25 cubic feet of softener resin. This means you will soften 800 gallons of water that has 10 grains of ...