GUARANTEED COMPATIBILITY: Designed for soda makers that use threaded/screw-in 60L cylinders, including popular models like SodaStream. SWIFT REFILLS AND SAVINGS: Refilling is quick, easy, and cost-effective. Each CO2 cylinder offers exceptional value, reducing costs with every use. ECO-FRIENDLY AND RECYCLABLE: Return empty cylinders for refill using the original box and prepaid shipping label—sustainability made simple.