Stainless steel pressure cooker gasket for 18cm. - Size: For 18cm - Type: Pressure cooker gasket - Material: Stainless steel - Compatible products: H-5039, H-5040, H-5126, H-5434, H-5445, H-5477 - Replacement period: Approximately 1 year Thank you for viewing. I have been storing this at home for several years. The outer box is dirty, so I plan to ship only the gasket. I am also selling this on other flea market sites, so please purchase it as soon as possible if you are interested!