*Compatible With 9" diameter Fagor Pressure Cooker Compatible with 4/ 6/7 Quarts as per Pressure Cooker Manufacturer Gaskets need to be replaced every 12 to 18 months. This is a Pack of 2 Compatible with Fagor unit # 998010188 produced by Fab International. *To ensure that the Gasket Fits Please measure the the outer Diameter of the gasket 9.5 inches and the inner diameter of the gasket should be approximately 8.5 inches and th diameter of the cooker pot to be 9 inches. Please Contact us through Amazon Seller pages if you have any questions regarding the compatibility. * Compatible with Other Fagor single unit pressure cookers 4/6/7 quart and pressure cooker sets (4/6 quart and 4/7 quart), including Rapida, Rapid Express, Duo / Cook's Essentials, Ucook, Multirapid Plus, Splendid-Weighted, Express, Futuro, Elite and Splendid. * Does not fit 8quart and 10 quart single unit cooker , clampdown cooker, Fryer, electric multi cooker, lux multi cooker and premium pressure cooker . Fagor Instant Pot or Instant Cooker.