Nu Calgon Humidi-PRO 4190-02 Humidifier Treatment - In-Line Scale Inhibitor, 1 Unit

Nu Calgon 4190-02 Humidi-Pro inline cartridge keeps humidifiers clean and scale free for one season. It installs on the water line feeding the humidifier and includes two 1/4 inch compression fittings for easy installation. For best results, allow a daily dump of water from the sump to diminish mineral scale. Install a new Humidi-Pro before each heating season. Operating temperature range is 40°F to 80°F. This product is for professional use and should be used in accordance with all regulations and proper service practices. Please see the product label or contact Nu-Calgon for use instructions. PPE is recommended during application.