McCann's Big Mac Fastflow Carbonator (120V) E300397 Forces CO2 into water to create carbonation for sodas Designed to provide the fizz for your carbonated drinks, this carbonator takes plain water and CO2 and combines them to create carbonated water. It uses a durable rotary-vane style brass water pump that delivers water in an atomized form to the carbonator tank. 180 fl. oz. tank capacity; stainless steel tank 180 psi pressure relief valve for safety Includes a backflow preventer to limit contamination; 2 soda outlets 115V, 1/3 hp, 1725 RPM motor