- Easy installation and leak prevention - Add CO2 to your bottle with this cap to carbonate it, then separate it and enjoy your homemade drinks - The food-safe rubber O-ring and sealing pad prevent leaks for mess-free use - Premium stainless steel - Made of high quality stainless steel for strength and erosion resistance - Designed for long-lasting performance with home carbonation equipment - Wide compatibility - Fits most PET soft drink bottles - Essential addition to ensure your drinks are properly carbonated and ready to enjoy - Pack of two - Includes two caps for convenient use at home or for sharing with friends and family - Versatile enough for use in restaurants, bars and cafes - Use scenarios - Home kitchen: carbonate homemade sodas and sparkling water for everyday enjoyment - Social occasions: prepare house-made carbonated beverages for gatherings - Small venues: use in cafes or bars to carbonate drinks quickly and reliably