The broad portfolio of Wallace & Tiernan® Products for municipal and industrial water and wastewater treatment includes products and systems for disinfection through chlorination using gas feeders, dry chemical feeders, gas dosing equipment, and chlorinators, dechlorination and chlorine dioxide generation systems. The portfolio also includes dry chemical dosing, liquid metering equipment, peristaltic pumps, metering pumps, and polyelectrolyte preparation systems together with sodium hypochlorite dosing equipment and on site electro-chlorination (OSEC), UV (Ultra Violet) disinfection, Odour Control systems and process technology.