Features: Crafted from aluminum and stainless steel for leak proof home carbonation systems. Its easy install design enables effortless connection within seconds, while the reinforced metal construction ensures durability for daily use in residential and commercial environments. Ideal for household, frequent entertainers, and small businesses seeking professional carbonation without plastic waste from containers. Perfectly suited for home, outdoor gatherings, and office kitchens where compatibility and rapid gas refills are essential for sparkling beverage preparation. Engineered with sealed valves to maximize CO2 efficiency, this reusable adapter promotes sustainable solution while maintaining industrial durability across thousands of pressurization cycles. Specifications: Component:Metal Type:B/A Size:Approx.4cm/1.57inch Package Includes: 1Pc Co2 Refill Adapter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.