Manor Replacement Cartg Includes One NuvoH2O Manor Refill Cartridge (6 Month Supply) The NuvoH2O Manor system uses revolutionary technology to lower the PH level of water Resulting in water that is soft and healthy for all of your household uses, including drinking, bathing, washing, and lawn and plant watering. Manor System is designed for Homes over 2,000 square feet. Capacity: Approximately 35,000 gallons per cartridge