Virtually all iron filtration systems sold as a whole house filter have either carbon or birm sand as the filter media to remove the iron. Carbon filters have a life span of up to 5 years and require frequent chemical or air injection to work properly.
For similarly named airports, see Newport State Airport (disambiguation). Newport State Airport (IATA: NPT, ICAO: KUUU, FAA LID: UUU) is a state owned, public use airport in Newport County, Rhode Island, United States. It serves the city of Newport and is located two nautical miles (4 km) northeast of its central business district.
Newport County was constituted on June 22, 1703, as one of the two original counties of the Colony of Rhode Island and Providence Plantations. As originally established, Newport County consisted of four towns: Portsmouth, Newport, Jamestown, and New Shoreham.