CO2 Generators operate by burning carbonaceous fuels such as propane ornatural gas. The burners used in Green Air Products CO2 generators arespecifically designed to maximize the production of CO2 and minimizeheat as a by-product. Through the use of a constant burning pilot andequipped with a safety valve to avoid the loss of fuel should the pilotlight go out, Green Air Products generators provide CO2 far moreeconomically than any other means of enrichment. The generators may becontrolled with timers, are easily installed, dependable and efficient.Transformer included. Operates on 110 volt AC.