When to Replace Your NuvoH2O Home Cartridge (And Why the 22101 Is the Only One to Use)
The NuvoH2O Home Replacement Cartridge (Model 22101) restores your Home System to full CitraCharge® performance — 20,000 gallons or 6 months of salt-free hard water protection. Learn when to replace, what signs to watch for, and why the genuine 22101 is the only correct replacement.