Nu-Calgon 4190-02 Humidi-Pro (formally called Humidi-Treat) is designed for humidifiers using up to 25 gallons per day, and will inhibit scale for one season. Install Humidi-Treat on the water line that supplies water directly to the humidifier.
Keep humidifiers clean and scale free with Humidi-Pro. Inhibits scale for one season. Install on the water line that supplies water directly to the humidifier. Equipped with compression fittings for easy installation and seasonal change-outs.
Clean pad or install new pad before installing Humidi-Pro.
For best results humidifier should have a daily dump of water from the sump to diminish scale forming minerals.
Install a new Humidi-Pro before each heating season.
Operating temperature, min./ max, 40º - 80º F
