Protect your water heater with this advanced pre filter featuring real time water and efficient scale to extend appliance period Ideal for homeowners and renters seeking to protect plumbing systems while ensuring cleaner bathing / drinking water for families Installs directly onto water heater inlets to filter sediment and minerals in apartments, villas, or residential buildings with hard water issues Engineered with resistant materials for year round reliability, this double function filter optimizes water purity while expensive appliance repairs Equipped with a built in digital display for immediate impurities / temperature readings, permanent ABS construction, and without hassle installation requiring not professional tools, Manufacturer: RGYBAO