Regal Systems, Inc. Chlorinators manufactures Regal™ products in the USA for water and wastewater treatment using chlorine gas. Their chlorinators are utilized in municipal, industrial, and agricultural industries for disinfection, bacteria and odor control, algae and slime removal, and water treatment. Regal™ brand products are known for safety, reliability, and low-cost operation, serving water quality treatment plants nationally and internationally for over forty years. They are used in various sectors including drinking and wastewater treatment, industrial applications, agriculture, food and beverage processing, and recreational markets.