good-quality material: Constructed from good-quality material, this carbonation cap ensures durability and . Its polished not only feels smooth but also prevents any metallic taste, making it perfect for homemade carbonated beverages. Easy to clean and designed to outlast plastic alternatives. Enhanced Triple-Seal Technology: Featuring a robust triple-seal design with multiple O-rings, this carbonation cap guarantees a leak-proof experience. This ensures efficient and stable carbonation of your beverages, with spare seals included for hassle-free maintenance and extended usability. Efficient Quick-Disconnect Mechanism: Equipped with a ball lock system, this cap allows for quick and secure connections to your carbonation setups. It's versatile enough to switch between different gas sources, enhancing your beverage carbonation process whether you're infusing CO2 or N2. User-Friendly & Versatile: Compatible with most PET bottles, this carbonation cap is incredibly easy to use-just twist onto the bottle for a secure fit. Its compact design makes it ideal for outdoor events, travel, or home use, ensuring you can enjoy carbonated drinks anywhere. Color: Silver Material: Metal Package Contents: 2pcs * Soda Bottle Carbonation Cap 6 * Extra Gaskets & O-Rings Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.