Nu-Calgon commercial water filters are an excellent choice for humidifiers. The water you breathe and smell is as important as the water you drink. NuCalgon the professional choice for coffee machines and ice makers share the same water quality problems as a humidifier.
Each end has a 1/4" FPT connection. The Micro-Carbon 4 is NSF-listed to standard 42 for taste, odor and chlorine reduction, Class I.
One filter can last up to 5-6 months, the complete humidifier season. Recommended for Steam Humidifiers requiring chlorine removal. Flow rates up to 1.0 gpm. Rated Service Life: 750 gallons. Rated burst strength over 500 psi.