Kirby gasket part 122097s and 122097. 
This face plate gasket seals the vacuum head to the main body of the vacuum. 
Gasket fits the following Kirby vacuums: 
- Avalir 
- Sentria 2 (Sentria II)
- Sentria 
- G10 and G10D 
- The Ultimate G Diamond Edition 
- The Ultimate G 
- G7D and G7 
- G 2001 Limited Edition (G2001) 
- G 2000 Limited Edition (G2000) 
- G6 and G6D 
- Gsix (G six) 
- G5 and G5D 
- G4 and G4D 
- Generation 6 
- Generation 5 
- Generation 4 
- Generation 3 and G3D