Gasket

A gasket (7) capable of sealing against multiple sealing surfaces (3, 4, 5, 6), comprising an inner seal ring (18) for sealing against inner sealing surfaces (3, 5), an outer seal ring (19) for sealing against outer sealing surfaces (4, 6), one or more intermediate seal rings for sealing against one or more intermediate sealing surfaces, and a connector member (20) for connecting the inner seal ring (18), one or more intermediate seal rings and the outer seal ring (19). In some embodiments, the gasket (7) includes a retaining feature (13) for securing the gasket in place and a removal feature (12) for removing the gasket. In some embodiments, the various components of the gasket (7) (e.g., seal rings, connector members, retaining feature, etc.) are composed of different materials (e.g., metal, metal alloy, plastic, rubber, ceramic and/or glass).