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Soda-Club's carbonators are designed out of lightweight aluminum alloy or steel, and are easily inserted into our drinks makers. Our carbonators are available in various sizes, allowing for 60 to 130 liters of carbonated drinks per carbonator. A full CO₂ carbonator is included with the purchase of our system. When the gas in the carbonator finishes, consumers exchange the empty carbonators for a full one, paying only the cost of a gas refill.