Foliatec AirCaps valve cap set Aluminum 4 pieces 3 rubber rings

Amazon

Thanks to the plastic thread, solid corrosion is not possible Chrome Silicone bottle stopper seals the bottle air tight Extremely flat, ideal to keep the bottle in the refrigerator's door

ManoMano

Set of 4 FOLIATEC aluminum valve caps in chrome color and rubber. Universal, they fit all common models and are suitable for all seasons.