Robust and durable design Built with sturdy stainless steel, the cap maintains its shape under stress to ensure lasting hygiene and stability. It offers antiwear characteristics for extended usability. Carbonation performance Backpressure feature locks in freshness, reduces cycle duration, and maintains steady pressure levels. It is compatible with CO2 bottles for convenient user operation. Seamless integration and efficiency Sealed through a 5/16inch balllock connector, it simplifies filling steps and improves usable flow for overall efficiency. Airtight sealing technology Multilayer latches and silicone gaskets provide an airtight seal, extending freshness and preventing oxidation and spoilage for carbonation needs. Specifications and compatibility Material: stainless steel Connector: 5/16inch balllock Gasket material: silicone Sealing: multilayer latches for airtight closure Function: carbonation cap designed to lock in freshness and maintain consistent pressure Compatibility: CO2 bottles Use scenarios Home carbonation: use with a CO2 bottle to carbonate water or homemade beverages, achieving fresh, consistent results. Smallbatch beverage prep: suitable for rapid carbonation cycles in kitchen or smallbatch production, improving throughput. Beverage service settings: reliable sealing and stable pressure support consistent carbonation in bar or cafe workflows.