Features: This CO2 refill adapter enables you to recharge cylinders at home using large commercial CO2 tanks like 5lb, 20lb, or 50lb, providing a cost effective solution for continuous carbonated beverage preparation. Featuring stainless steel construction and a secure bleed valves lock mechanism, it ensures leakproof gas transfer and easy installation without additional tools for safe refills. Ideal for home sodas enthusiasts, beverage makers, and small business owners who rely on machines and seek convenient, long lasting refill option. Perfect for everyday use for home kitchens, or outdoor gatherings where you can quickly refill CO2 cylinders to create freshness sparkling water or sodas on demands. Suitable for both W21.8 14 and CGA320 thread standards, this adapter offer versatile connectivity for global CO2 tanks, enhancing reliability across various regions and applications. Specifications: Type: Inflator Valves Connector Component: Stainless Steel Color: Silver Size: Approx. 1.42x1.85inch(3.6x4.7cm) Package Includes: 1x Inflation Valves Connector note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.